课堂讲义(林志方,徐建军).pdf
²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light § 8.6 é Ø å Æ E Æ ÔnX Mï 1 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light § 8.6 é Ø å Æ Úî寧3³|ÑCe´C§ØÎÜ騦§Ï E Æ ÔnX Mï 1 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light § 8.6 é Ø å Æ Úî寧3³|ÑCe´C§ØÎÜ騦§Ï (1) E âÚî寧3ðå^e§ÔNÝÃO Æ ÔnX Mï 1 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light § 8.6 é Ø å Æ Úî寧3³|ÑCe´C§ØÎÜ騦§Ï (1) âÚî寧3ðå^e§ÔNÝÃO (2) Úî寨÷vâÔ[C5§Ø´o¥þ½Üþ§ E Æ ÔnX Mï 1 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light § 8.6 é Ø å Æ Úî寧3³|ÑCe´C§ØÎÜ騦§Ï (1) âÚî寧3ðå^e§ÔNÝÃO (2) Úî寨÷vâÔ[C5§Ø´o¥þ½Üþ§ ϦÎÜ騦寧§¦ E Æ ÔnX Mï 1 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light § 8.6 é Ø å Æ Úî寧3³|ÑCe´C§ØÎÜ騦§Ï (1) âÚî寧3ðå^e§ÔNÝÃO (2) Úî寨÷vâÔ[C5§Ø´o¥þ½Üþ§ ϦÎÜ騦寧§¦ (1) E ÷vâÔ[C5§Lo n Üþ§ Æ ÔnX Mï 1 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light § 8.6 é Ø å Æ Úî寧3³|ÑCe´C§ØÎÜ騦§Ï (1) âÚî寧3ðå^e§ÔNÝÃO (2) Úî寨÷vâÔ[C5§Ø´o¥þ½Üþ§ ϦÎÜ騦寧§¦ (1) ÷vâÔ[C5§Lo n Üþ§ (2) 3 v c §#寧òzÚî§ E Æ ÔnX Mï 1 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light § 8.6 é Ø å Æ Úî寧3³|ÑCe´C§ØÎÜ騦§Ï (1) âÚî寧3ðå^e§ÔNÝÃO (2) Úî寨÷vâÔ[C5§Ø´o¥þ½Üþ§ ϦÎÜ騦寧§¦ (1) ÷vâÔ[C5§Lo n Üþ§ (2) 3 v c §#寧òzÚî§ d§Aò寧¥«Ônþ¤oCþ" E Æ ÔnX Mï 1 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light § 8.6 é Ø å Æ Úî寧3³|ÑCe´C§ØÎÜ騦§Ï (1) âÚî寧3ðå^e§ÔNÝÃO (2) Úî寨÷vâÔ[C5§Ø´o¥þ½Üþ§ ϦÎÜ騦寧§¦ (1) ÷vâÔ[C5§Lo n Üþ§ (2) 3 v c §#寧òzÚî§ d§Aò寧¥«Ônþ¤oCþ" !o E Æ ÔnX ¥þ§oÝ¥þ§o\Ý¥þ Mï 1 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light § 8.6 é Ø å Æ Úî寧3³|ÑCe´C§ØÎÜ騦§Ï (1) âÚî寧3ðå^e§ÔNÝÃO (2) Úî寨÷vâÔ[C5§Ø´o¥þ½Üþ§ ϦÎÜ騦寧§¦ (1) ÷vâÔ[C5§Lo n Üþ§ (2) 3 v c §#寧òzÚî§ d§Aò寧¥«Ônþ¤oCþ" !o ¥þ§oÝ¥þ§o\Ý¥þ o ¥þµxµ = (~ r , ict) E Æ ÔnX Mï 1 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light § 8.6 é Ø å Æ Úî寧3³|ÑCe´C§ØÎÜ騦§Ï (1) âÚî寧3ðå^e§ÔNÝÃO (2) Úî寨÷vâÔ[C5§Ø´o¥þ½Üþ§ ϦÎÜ騦寧§¦ (1) ÷vâÔ[C5§Lo n Üþ§ (2) 3 v c §#寧òzÚî§ d§Aò寧¥«Ônþ¤oCþ" !o ¥þ§oÝ¥þ§o\Ý¥þ o ¥þµxµ = (~ r , ict) dxµ dxµ oÝ¥þµUµ = = γu = γu(~ u, ic) dτ dt E Æ ÔnX Mï 1 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light § 8.6 é Ø å Æ Úî寧3³|ÑCe´C§ØÎÜ騦§Ï (1) âÚî寧3ðå^e§ÔNÝÃO (2) Úî寨÷vâÔ[C5§Ø´o¥þ½Üþ§ ϦÎÜ騦寧§¦ (1) ÷vâÔ[C5§Lo n Üþ§ (2) 3 v c §#寧òzÚî§ d§Aò寧¥«Ônþ¤oCþ" !o ¥þ§oÝ¥þ§o\Ý¥þ o ¥þµxµ = (~ r , ict) dxµ dxµ oÝ¥þµUµ = = γu = γu(~ u, ic) dτ dt 2 2 dUµ γ γ ~ (~ ~ · ~a o\Ý¥þµaµ = = γu2 ~a + 2u u u · ~a), i u u dτ c c E Æ ÔnX Mï 1 Let there be light ²;>Ä寨 1ÔÙµdÂéØ § 8.6 2 2 dUµ γ γ ~ (~ ~ · ~a o\Ý¥þµaµ = = γu2 ~a + 2u u u · ~a), i u u dτ c c E Æ ÔnX Mï 2 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light 2 2 dUµ γ γ ~ (~ ~ · ~a o\Ý¥þµaµ = = γu2 ~a + 2u u u · ~a), i u u dτ c c dU1 dτ E = γu Æ dU1 d = γu (γuu1) dt dt ÔnX |^ µU 1 = γ u u 1 Mï 2 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light 2 2 dUµ γ γ ~ (~ ~ · ~a o\Ý¥þµaµ = = γu2 ~a + 2u u u · ~a), i u u dτ c c dU1 dτ E dU1 d = γu (γuu1) dt dt du1 dγu = γ u γu + u1 dt dt = γu Æ ÔnX |^ µU 1 = γ u u 1 du1 |^µ = a1, dt dγu γu3 = 2 (~ u·~ a) dt c Mï 2 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light 2 2 dUµ γ γ ~ (~ ~ · ~a o\Ý¥þµaµ = = γu2 ~a + 2u u u · ~a), i u u dτ c c dU1 dτ E dU1 d = γu (γuu1) dt dt du1 dγu = γ u γu + u1 dt dt i h γu2 2 u·~ a)u1 = γu a1 + 2 (~ c |^ = γu Æ ÔnX µU 1 = γ u u 1 du1 |^µ = a1, dt =⇒ a1 = γu2 dγu γu3 = 2 (~ u·~ a) dt c i h γu2 u·~ a)u1 a1 + 2 (~ c Mï 2 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light 2 2 dUµ γ γ ~ (~ ~ · ~a o\Ý¥þµaµ = = γu2 ~a + 2u u u · ~a), i u u dτ c c dU1 dτ dU4 dτ E dU1 d = γu (γuu1) dt dt du1 dγu = γ u γu + u1 dt dt i h γu2 2 u·~ a)u1 = γu a1 + 2 (~ c |^ = γu = γu Æ dU4 d = iγu (γuc) dt dt ÔnX µU 1 = γ u u 1 du1 |^µ = a1, dt =⇒ a1 = γu2 dγu γu3 = 2 (~ u·~ a) dt c i h γu2 u·~ a)u1 a1 + 2 (~ c |^ µU4 = γu ic Mï 2 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light 2 2 dUµ γ γ ~ (~ ~ · ~a o\Ý¥þµaµ = = γu2 ~a + 2u u u · ~a), i u u dτ c c dU1 dτ dU4 dτ dU1 d = γu (γuu1) dt dt du1 dγu = γ u γu + u1 dt dt i h γu2 2 u·~ a)u1 = γu a1 + 2 (~ c = γu dU4 d = iγu (γuc) dt dt dγu = γu ic dt E |^ = γu Æ ÔnX µU 1 = γ u u 1 du1 |^µ = a1, dt =⇒ a1 = γu2 dγu γu3 = 2 (~ u·~ a) dt c i h γu2 u·~ a)u1 a1 + 2 (~ c |^ µU4 = γu ic dγu γu3 |^µ = 2 (~ u·~ a) dt c Mï 2 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light 2 2 dUµ γ γ ~ (~ ~ · ~a o\Ý¥þµaµ = = γu2 ~a + 2u u u · ~a), i u u dτ c c dU1 dτ dU4 dτ dU1 d = γu (γuu1) dt dt du1 dγu = γ u γu + u1 dt dt i h γu2 2 u·~ a)u1 = γu a1 + 2 (~ c |^ = γu = γu du1 |^µ = a1, dt =⇒ dU4 d = iγu (γuc) dt dt E Æ ÔnX a1 = γu2 dγu γu3 = 2 (~ u·~ a) dt c i h γu2 u·~ a)u1 a1 + 2 (~ c |^ µU4 = γu ic dγu γu3 |^µ = 2 (~ u·~ a) dt c dγu = γu ic dt γu4 = i (~ u·~ a) c µU 1 = γ u u 1 =⇒ γu4 a4 = i (~ u·~ a) c Mï 2 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light 2 2 dUµ γ γ ~ (~ ~ · ~a o\Ý¥þµaµ = = γu2 ~a + 2u u u · ~a), i u u dτ c c dU1 dτ dU4 dτ dU1 d = γu (γuu1) dt dt du1 dγu = γ u γu + u1 dt dt i h γu2 2 u·~ a)u1 = γu a1 + 2 (~ c |^ = γu = γu du1 |^µ = a1, dt =⇒ dU4 d = iγu (γuc) dt dt a1 = γu2 dγu γu3 = 2 (~ u·~ a) dt c i h γu2 u·~ a)u1 a1 + 2 (~ c |^ µU4 = γu ic dγu γu3 |^µ = 2 (~ u·~ a) dt c dγu = γu ic dt γu4 = i (~ u·~ a) c µU 1 = γ u u 1 =⇒ γu4 a4 = i (~ u·~ a) c o\ÝéE,§òÚî1½Æ¤C/ª§´lÄþÑu E Æ ÔnX Mï 2 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light 2 2 dUµ γ γ ~ (~ ~ · ~a o\Ý¥þµaµ = = γu2 ~a + 2u u u · ~a), i u u dτ c c dU1 dτ dU4 dτ dU1 d = γu (γuu1) dt dt du1 dγu = γ u γu + u1 dt dt i h γu2 2 u·~ a)u1 = γu a1 + 2 (~ c |^ = γu = γu du1 |^µ = a1, dt =⇒ a1 = γu2 dU4 d = iγu (γuc) dt dt dγu γu3 = 2 (~ u·~ a) dt c i h γu2 u·~ a)u1 a1 + 2 (~ c |^ µU4 = γu ic dγu γu3 |^µ = 2 (~ u·~ a) dt c dγu = γu ic dt γu4 = i (~ u·~ a) c µU 1 = γ u u 1 =⇒ γu4 a4 = i (~ u·~ a) c o\ÝéE,§òÚî1½Æ¤C/ª§´lÄþÑu ~ ~ dv dp ~ f = m~ a=m = dt dt E Æ ÔnX Mï 2 Let there be light ²;>Ä寨 1ÔÙµdÂéØ § 8.6 !oÄþ¥þ E Æ ÔnX Mï 3 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light !oÄþ¥þ ½ÂoÄþ¥þµPµ = m0Uµ Uµ oÝ¥þ§m0 äkþþjoIþ" E Æ ÔnX Mï 3 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light !oÄþ¥þ ½ÂoÄþ¥þµPµ = m0Uµ Uµ oÝ¥þ§m0 äkþþjoIþ" m0ui , Pµ cn©þµ Pi = γum0ui = p 2 2 1 − u /c E Æ ÔnX i = 1, 2, 3 Mï 3 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light !oÄþ¥þ ½ÂoÄþ¥þµPµ = m0Uµ Uµ oÝ¥þ§m0 äkþþjoIþ" m0ui , Pµ cn©þµ Pi = γum0ui = p 2 2 1 − u /c i = 1, 2, 3 3$§γu ≈ 1§µPi = pi = m0ui§ E Æ ÔnX Mï 3 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light !oÄþ¥þ ½ÂoÄþ¥þµPµ = m0Uµ Uµ oÝ¥þ§m0 äkþþjoIþ" m0ui , Pµ cn©þµ Pi = γum0ui = p 2 2 1 − u /c i = 1, 2, 3 3$§γu ≈ 1§µPi = pi = m0ui§AòznÄþ E Æ ÔnX Mï 3 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light !oÄþ¥þ ½ÂoÄþ¥þµPµ = m0Uµ Uµ oÝ¥þ§m0 äkþþjoIþ" m0ui , Pµ cn©þµ Pi = γum0ui = p 2 2 1 − u /c i = 1, 2, 3 3$§γu ≈ 1§µPi = pi = m0ui§AòznÄþ =⇒ E Æ m0 A²;寥·þ£$$Äþ¤ ÔnX Mï 3 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light !oÄþ¥þ ½ÂoÄþ¥þµPµ = m0Uµ Uµ oÝ¥þ§m0 äkþþjoIþ" m0ui , Pµ cn©þµ Pi = γum0ui = p 2 2 1 − u /c i = 1, 2, 3 3$§γu ≈ 1§µPi = pi = m0ui§AòznÄþ m0 A²;寥·þ£$$Äþ¤ i m0c2 Pµ 1o©þµ P4 = γum0 ic = p c 1 − u2/c2 =⇒ E Æ ÔnX Mï 3 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light !oÄþ¥þ ½ÂoÄþ¥þµPµ = m0Uµ Uµ oÝ¥þ§m0 äkþþjoIþ" m0ui , Pµ cn©þµ Pi = γum0ui = p 2 2 1 − u /c i = 1, 2, 3 3$§γu ≈ 1§µPi = pi = m0ui§AòznÄþ m0 A²;寥·þ£$$Äþ¤ i m0c2 Pµ 1o©þµ P4 = γum0 ic = p c 1 − u2/c2 i 1 2 2 $ÐmµP4 = m0c + 2 m0u + · · · c =⇒ E Æ ÔnX Mï 3 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light !oÄþ¥þ ½ÂoÄþ¥þµPµ = m0Uµ Uµ oÝ¥þ§m0 äkþþjoIþ" m0ui , Pµ cn©þµ Pi = γum0ui = p 2 2 1 − u /c i = 1, 2, 3 3$§γu ≈ 1§µPi = pi = m0ui§AòznÄþ m0 A²;寥·þ£$$Äþ¤ i m0c2 Pµ 1o©þµ P4 = γum0 ic = p c 1 − u2/c2 i 1 2 2 $ÐmµP4 = m0c + 2 m0u + · · · c 1²;寥ÄU§ m0c2 AUþ =⇒ E Æ ÔnX Mï 3 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light !oÄþ¥þ ½ÂoÄþ¥þµPµ = m0Uµ Uµ oÝ¥þ§m0 äkþþjoIþ" m0ui , Pµ cn©þµ Pi = γum0ui = p 2 2 1 − u /c i = 1, 2, 3 3$§γu ≈ 1§µPi = pi = m0ui§AòznÄþ m0 A²;寥·þ£$$Äþ¤ i m0c2 Pµ 1o©þµ P4 = γum0 ic = p c 1 − u2/c2 i 1 2 2 $ÐmµP4 = m0c + 2 m0u + · · · c 1²;寥ÄU§ m0c2 AUþ ·ÔN·UµW0 =⇒ E Æ ÔnX Mï 3 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light !oÄþ¥þ ½ÂoÄþ¥þµPµ = m0Uµ Uµ oÝ¥þ§m0 äkþþjoIþ" m0ui , Pµ cn©þµ Pi = γum0ui = p 2 2 1 − u /c i = 1, 2, 3 3$§γu ≈ 1§µPi = pi = m0ui§AòznÄþ m0 A²;寥·þ£$$Äþ¤ i m0c2 Pµ 1o©þµ P4 = γum0 ic = p c 1 − u2/c2 i 1 2 2 $ÐmµP4 = m0c + 2 m0u + · · · c 1²;寥ÄU§ m0c2 AUþ ·ÔN·UµW0 ~ m0u p ~= p ¡ÔNéØÄþ 2 2 1 − u /c =⇒ E Æ ÔnX Mï 3 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light !oÄþ¥þ ½ÂoÄþ¥þµPµ = m0Uµ Uµ oÝ¥þ§m0 äkþþjoIþ" m0ui , Pµ cn©þµ Pi = γum0ui = p 2 2 1 − u /c i = 1, 2, 3 3$§γu ≈ 1§µPi = pi = m0ui§AòznÄþ m0 A²;寥·þ£$$Äþ¤ i m0c2 Pµ 1o©þµ P4 = γum0 ic = p c 1 − u2/c2 i 1 2 2 $ÐmµP4 = m0c + 2 m0u + · · · c 1²;寥ÄU§ m0c2 AUþ ·ÔN·UµW0 ~ m0u p ~= p ¡ÔNéØÄþ 2 2 1 − u /c m0c2 W =p ¡ÔNéØUþ£oUþ¤ 2 2 1 − u /c =⇒ E Æ ÔnX Mï 3 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light !oÄþ¥þ ½ÂoÄþ¥þµPµ = m0Uµ Uµ oÝ¥þ§m0 äkþþjoIþ" m0ui , Pµ cn©þµ Pi = γum0ui = p 2 2 1 − u /c i = 1, 2, 3 3$§γu ≈ 1§µPi = pi = m0ui§AòznÄþ m0 A²;寥·þ£$$Äþ¤ i m0c2 Pµ 1o©þµ P4 = γum0 ic = p c 1 − u2/c2 i 1 2 2 $ÐmµP4 = m0c + 2 m0u + · · · c 1²;寥ÄU§ m0c2 AUþ ·ÔN·UµW0 ~ m0u p ~= p ¡ÔNéØÄþ 2 2 1 − u /c éØÄþUþ¤oÄþ¥þµ 2 m0c i W =p ¡ÔNéØUþ£oUþ¤ ~, W Pµ = p 1 − u2/c2 c =⇒ E Æ ÔnX Mï 3 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light ~=p p ~ m0u 1 − u2/c2 E Æ ÔnX 2 , W =p m0c 1 − u2/c2 oÄþ¥þµPµ = ~, p i W c Mï 4 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light ~=p p ~ m0u 1 − u2/c2 2 , W =p m0c 1 − u2/c2 oÄþ¥þµPµ = ~, p i W c ?Ø E Æ ÔnX Mï 4 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light ~=p p ~ m0u 1 − u2/c2 2 , W =p m0c 1 − u2/c2 oÄþ¥þµPµ = ~, p i W c ?Ø (1) ²;寥§ÄþÚUþþÝÔ$Äüþ§3騥¤Úo¥þ L²ÄþUþmS3éX E Æ ÔnX Mï 4 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light ~=p p ~ m0u 1 − u2/c2 2 , W =p m0c 1 − u2/c2 oÄþ¥þµPµ = ~, p i W c ?Ø (1) ²;寥§ÄþÚUþþÝÔ$Äüþ§3騥¤Úo¥þ L²ÄþUþmS3éX (2) E éØUþ¹ Æ ÔnX ~ = 0 §éØUþòzÔN·UµW0 = m0c2 ÔNÄU§3 u Mï 4 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light ~=p p ~ m0u 1 − u2/c2 2 , W =p m0c 1 − u2/c2 oÄþ¥þµPµ = ~, p i W c ?Ø (1) ²;寥§ÄþÚUþþÝÔ$Äüþ§3騥¤Úo¥þ L²ÄþUþmS3éX (2) éØUþ¹ ~ = 0 §éØUþòzÔN·UµW0 = m0c2 ÔNÄU§3 u 騥ÔNÄU T = W − W0§$eòz²;/ªµT = 12 m0u2 E Æ ÔnX Mï 4 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light ~=p p ~ m0u 1 − u2/c2 2 , W =p m0c 1 − u2/c2 oÄþ¥þµPµ = ~, p i W c ?Ø (1) ²;寥§ÄþÚUþþÝÔ$Äüþ§3騥¤Úo¥þ L²ÄþUþmS3éX (2) éØUþ¹ ~ = 0 §éØUþòzÔN·UµW0 = m0c2 ÔNÄU§3 u 騥ÔNÄU T = W − W0§$eòz²;/ªµT = 12 m0u2 (3) E W0 ·Uþ§oUþ W = T + W0"3éØ/§Uþ¥\~êâS¿Â§ Æ ÔnX Mï 4 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light ~=p p ~ m0u 1 − u2/c2 2 , W =p m0c 1 − u2/c2 oÄþ¥þµPµ = ~, p i W c ?Ø (1) ²;寥§ÄþÚUþþÝÔ$Äüþ§3騥¤Úo¥þ L²ÄþUþmS3éX (2) éØUþ¹ ~ = 0 §éØUþòzÔN·UµW0 = m0c2 ÔNÄU§3 u 騥ÔNÄU T = W − W0§$eòz²;/ªµT = 12 m0u2 (3) W0 ·Uþ§oUþ W = T + W0"3éØ/§Uþ¥\~êâS¿Â§ 3éØ/ÄUþÅðÃLÄ W0 " E Æ ÔnX Mï 4 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light ~=p p ~ m0u 1 − u2/c2 2 , W =p m0c 1 − u2/c2 oÄþ¥þµPµ = ~, p i W c ?Ø (1) ²;寥§ÄþÚUþþÝÔ$Äüþ§3騥¤Úo¥þ L²ÄþUþmS3éX (2) éØUþ¹ ~ = 0 §éØUþòzÔN·UµW0 = m0c2 ÔNÄU§3 u 騥ÔNÄU T = W − W0§$eòz²;/ªµT = 12 m0u2 (3) W0 ·Uþ§oUþ W = T + W0"3éØ/§Uþ¥\~êâS¿Â§ 3éØ/ÄUþÅðÃLÄ W0 " 3éØ/§W0 Ñy´Ôn5ÆC5¦ E Æ ÔnX Mï 4 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light ~=p p ~ m0u 1 − u2/c2 2 , W =p m0c 1 − u2/c2 oÄþ¥þµPµ = ~, p i W c ?Ø (1) ²;寥§ÄþÚUþþÝÔ$Äüþ§3騥¤Úo¥þ L²ÄþUþmS3éX (2) éØUþ¹ ~ = 0 §éØUþòzÔN·UµW0 = m0c2 ÔNÄU§3 u 騥ÔNÄU T = W − W0§$eòz²;/ªµT = 12 m0u2 (3) W0 ·Uþ§oUþ W = T + W0"3éØ/§Uþ¥\~êâS¿Â§ 3éØ/ÄUþÅðÃLÄ W0 " 3éØ/§W0 Ñy´Ôn5ÆC5¦ ,¡§= W0 U=z¤Ù§/ªUþ§W0 ÑyâkÔn¿Â ÏdQ,騥Ôn5ÆC5¦ W0 Ñy3UþLª¥ XJC5´(§@o W0 ½=z¤Ù§/ªUþ E Æ ÔnX Mï 4 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light ~=p p ~ m0u 1 − u2/c2 2 , W =p m0c 1 − u2/c2 oÄþ¥þµPµ = ~, p i W c ?Ø (1) ²;寥§ÄþÚUþþÝÔ$Äüþ§3騥¤Úo¥þ L²ÄþUþmS3éX (2) éØUþ¹ ~ = 0 §éØUþòzÔN·UµW0 = m0c2 ÔNÄU§3 u 騥ÔNÄU T = W − W0§$eòz²;/ªµT = 12 m0u2 (3) W0 ·Uþ§oUþ W = T + W0"3éØ/§Uþ¥\~êâS¿Â§ 3éØ/ÄUþÅðÃLÄ W0 " 3éØ/§W0 Ñy´Ôn5ÆC5¦ ,¡§= W0 U=z¤Ù§/ªUþ§W0 ÑyâkÔn¿Â ÏdQ,騥Ôn5ÆC5¦ W0 Ñy3UþLª¥ E XJC5´(§@o W0 ½=z¤Ù§/ªUþ fU|^ Æ ÔnX Mï 4 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light ~=p p ~ m0u 1 − u2/c2 2 , W =p m0c 1 − u2/c2 oÄþ¥þµPµ = ~, p i W c ?Ø (1) ²;寥§ÄþÚUþþÝÔ$Äüþ§3騥¤Úo¥þ L²ÄþUþmS3éX (2) éØUþ¹ ~ = 0 §éØUþòzÔN·UµW0 = m0c2 ÔNÄU§3 u 騥ÔNÄU T = W − W0§$eòz²;/ªµT = 12 m0u2 (3) W0 ·Uþ§oUþ W = T + W0"3éØ/§Uþ¥\~êâS¿Â§ 3éØ/ÄUþÅðÃLÄ W0 " 3éØ/§W0 Ñy´Ôn5ÆC5¦ ,¡§= W0 U=z¤Ù§/ªUþ§W0 ÑyâkÔn¿Â ÏdQ,騥Ôn5ÆC5¦ W0 Ñy3UþLª¥ XJC5´(§@o W0 ½=z¤Ù§/ªUþ (4) E Pµ o¥þ§PµPµ 7,oIþ§l Æ ÔnX ~2 − Pµ Pµ = p fU|^ 1 2 W ´ØCþ 2 c Mï 4 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light ~=p p ~ m0u 1 − u2/c2 2 , W =p m0c 1 − u2/c2 oÄþ¥þµPµ = ~, p i W c ?Ø (1) ²;寥§ÄþÚUþþÝÔ$Äüþ§3騥¤Úo¥þ L²ÄþUþmS3éX (2) éØUþ¹ ~ = 0 §éØUþòzÔN·UµW0 = m0c2 ÔNÄU§3 u 騥ÔNÄU T = W − W0§$eòz²;/ªµT = 12 m0u2 (3) W0 ·Uþ§oUþ W = T + W0"3éØ/§Uþ¥\~êâS¿Â§ 3éØ/ÄUþÅðÃLÄ W0 " 3éØ/§W0 Ñy´Ôn5ÆC5¦ ,¡§= W0 U=z¤Ù§/ªUþ§W0 ÑyâkÔn¿Â ÏdQ,騥Ôn5ÆC5¦ W0 Ñy3UþLª¥ XJC5´(§@o W0 ½=z¤Ù§/ªUþ (4) Pµ o¥þ§PµPµ 7,oIþ§l 3éuÔN·.5X§PµPµ = −m20c2 E Æ ÔnX fU|^ 1 2 W ´ØCþ 2 c 1 2 2 ~ − 2 W = −m20c2 p c ~2 − Pµ Pµ = p =⇒ Mï 4 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light ~=p p ~ m0u 1 − u2/c2 2 , W =p m0c 1 − u2/c2 oÄþ¥þµPµ = ~, p i W c ?Ø (1) ²;寥§ÄþÚUþþÝÔ$Äüþ§3騥¤Úo¥þ L²ÄþUþmS3éX (2) éØUþ¹ ~ = 0 §éØUþòzÔN·UµW0 = m0c2 ÔNÄU§3 u 騥ÔNÄU T = W − W0§$eòz²;/ªµT = 12 m0u2 (3) W0 ·Uþ§oUþ W = T + W0"3éØ/§Uþ¥\~êâS¿Â§ 3éØ/ÄUþÅðÃLÄ W0 " 3éØ/§W0 Ñy´Ôn5ÆC5¦ ,¡§= W0 U=z¤Ù§/ªUþ§W0 ÑyâkÔn¿Â ÏdQ,騥Ôn5ÆC5¦ W0 Ñy3UþLª¥ XJC5´(§@o W0 ½=z¤Ù§/ªUþ (4) Pµ o¥þ§PµPµ 7,oIþ§l 3éuÔN·.5X§PµPµ = −m20c2 E Æ ÔnX fU|^ 1 2 W ´ØCþ 2 c 1 2 2 ~ − 2 W = −m20c2 p c ~2 − Pµ Pµ = p =⇒ Mï 4 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (4) E 1 2 ~ PµPµ = p − 2 W = −m20c2 c 2 Æ ÔnX =⇒ W = q p2c2 + m20c4 Mï 5 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (4) 1 2 ~ PµPµ = p − 2 W = −m20c2 c 2 =⇒ W = q p2c2 + m20c4 éØþ!Uþ!Äþm'X E Æ ÔnX Mï 5 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (4) 1 2 ~ PµPµ = p − 2 W = −m20c2 c 2 =⇒ W = q p2c2 + m20c4 éØþ!Uþ!Äþm'X (5) E oÄþ¥þC'X Æ ÔnX Mï 5 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (4) 1 2 ~ PµPµ = p − 2 W = −m20c2 c 2 =⇒ W = q p2c2 + m20c4 éØþ!Uþ!Äþm'X (5) oÄþ¥þC'X v 0 P x = γv P x − 2 W c Py0 = Py , Pz0 = Pz W 0 = γv (W − vPx) E Æ ÔnX Mï 5 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (4) 1 2 ~ PµPµ = p − 2 W = −m20c2 c 2 =⇒ W = q p2c2 + m20c4 éØþ!Uþ!Äþm'X (5) oÄþ¥þC'X v 0 P x = γv P x − 2 W c Py0 = Py , Pz0 = Pz W 0 = γv (W − vPx) n!Uþ!ÄþÅð½Æ E Æ ÔnX Mï 5 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (4) 1 2 ~ PµPµ = p − 2 W = −m20c2 c 2 =⇒ W = q p2c2 + m20c4 éØþ!Uþ!Äþm'X (5) oÄþ¥þC'X v 0 P x = γv P x − 2 W c Py0 = Py , Pz0 = Pz W 0 = γv (W − vPx) n!Uþ!ÄþÅð½Æ ¢L²§3騥§oUþÚoÄþÅð½Æ,¤á" E Æ ÔnX Mï 5 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (4) 1 2 ~ PµPµ = p − 2 W = −m20c2 c 2 =⇒ W = q p2c2 + m20c4 éØþ!Uþ!Äþm'X (5) oÄþ¥þC'X v 0 P x = γv P x − 2 W c Py0 = Py , Pz0 = Pz W 0 = γv (W − vPx) n!Uþ!ÄþÅð½Æ ¢L²§3騥§oUþÚoÄþÅð½Æ,¤á" eâfmp^´]mu)3m,:§Kkµ oUþÅðµ N X n=1 E Æ ÔnX 0 W a(n) = N X W b(n0) n0 =1 Mï 5 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (4) 1 2 ~ PµPµ = p − 2 W = −m20c2 c 2 =⇒ W = q p2c2 + m20c4 éØþ!Uþ!Äþm'X (5) oÄþ¥þC'X v 0 P x = γv P x − 2 W c Py0 = Py , Pz0 = Pz W 0 = γv (W − vPx) n!Uþ!ÄþÅð½Æ ¢L²§3騥§oUþÚoÄþÅð½Æ,¤á" eâfmp^´]mu)3m,:§Kkµ oUþÅðµ N X n=1 E Æ ÔnX 0 W a(n) = N X n0 =1 W b(n0) oÄþÅðµ N X 0 ~ a(n) = p N X ~ b(n0) p n0 =1 n=1 Mï 5 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (4) 1 2 ~ PµPµ = p − 2 W = −m20c2 c 2 =⇒ W = q p2c2 + m20c4 éØþ!Uþ!Äþm'X (5) oÄþ¥þC'X v 0 P x = γv P x − 2 W c Py0 = Py , Pz0 = Pz W 0 = γv (W − vPx) n!Uþ!ÄþÅð½Æ ¢L²§3騥§oUþÚoÄþÅð½Æ,¤á" eâfmp^´]mu)3m,:§Kkµ oUþÅðµ N X n=1 0 W a(n) = N X n0 =1 W b(n0) oÄþÅðµ N X 0 ~ a(n) = p N X ~ b(n0) p n0 =1 n=1 a, b L«ÐÚª"N , N 0 p^£-E¤c âfê" E Æ ÔnX Mï 5 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (4) 1 2 ~ PµPµ = p − 2 W = −m20c2 c 2 =⇒ W = q p2c2 + m20c4 éØþ!Uþ!Äþm'X (5) oÄþ¥þC'X v 0 P x = γv P x − 2 W c Py0 = Py , Pz0 = Pz W 0 = γv (W − vPx) n!Uþ!ÄþÅð½Æ ¢L²§3騥§oUþÚoÄþÅð½Æ,¤á" eâfmp^´]mu)3m,:§Kkµ oUþÅðµ N X n=1 0 W a(n) = N X W b(n0) n0 =1 oÄþÅðµ N X 0 ~ a(n) = p N X ~ b(n0) p n0 =1 n=1 a, b L«ÐÚª"N , N 0 p^£-E¤c âfê" 3騥§Ú¤oÄþÅð" E Æ ÔnX Mï 5 Let there be light ²;>Ä寨 1ÔÙµdÂéØ § 8.6 o!éØåƧ E Æ ÔnX Mï 6 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!éØåƧ éØÄ寧µ E Æ ÔnX ~ dp ~ F = dt Mï 6 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!éØåƧ éØÄ寧µ í2éØ/µ E Æ ÔnX ~ dp ~ F = dt d Pµ Kµ = dτ (1) Mï 6 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!éØåƧ éØÄ寧µ í2éØ/µ ~ dp ~ F = dt d Pµ Kµ = dτ (1) du dPµ ´o¥þ§dτ Iþ =⇒ Kµ ´o¥þ§(1) ´éØC E Æ ÔnX Mï 6 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!éØåƧ éØÄ寧µ í2éØ/µ ~ dp ~ F = dt d Pµ Kµ = dτ (1) du dPµ ´o¥þ§dτ Iþ =⇒ Kµ ´o¥þ§(1) ´éØC o¥þ Kµ ¿Âµ E Æ ÔnX Mï 6 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!éØåƧ éØÄ寧µ í2éØ/µ ~ dp ~ F = dt d Pµ Kµ = dτ (1) du dPµ ´o¥þ§dτ Iþ =⇒ Kµ ´o¥þ§(1) ´éØC o¥þ Kµ ¿Âµ Kµ cn©þµ E Æ ÔnX dPi dPi d Ki = = γu = γu (γum0ui) dτ dt dt Mï 6 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!éØåƧ éØÄ寧µ í2éØ/µ ~ dp ~ F = dt d Pµ Kµ = dτ (1) du dPµ ´o¥þ§dτ Iþ =⇒ Kµ ´o¥þ§(1) ´éØC o¥þ Kµ ¿Âµ Kµ cn©þµ $ γu ≈ 1µ E Æ ÔnX dPi dPi d Ki = = γu = γu (γum0ui) dτ dt dt d ~ ~ ) = F~ K = (m0u òzÚî§ dt Mï 6 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!éØåƧ éØÄ寧µ í2éØ/µ ~ dp ~ F = dt d Pµ Kµ = dτ (1) du dPµ ´o¥þ§dτ Iþ =⇒ Kµ ´o¥þ§(1) ´éØC o¥þ Kµ ¿Âµ dPi dPi d Kµ cn©þµ Ki = = γu = γu (γum0ui) dτ dt dt d ~ ~ ) = F~ $ γu ≈ 1µ K = (m0u òzÚî§ dt Ïdé$éØ/o¥þ Kµ cn©þòz²;nå¥þ E Æ ÔnX Mï 6 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!éØåƧ éØÄ寧µ í2éØ/µ ~ dp ~ F = dt d Pµ Kµ = dτ (1) du dPµ ´o¥þ§dτ Iþ =⇒ Kµ ´o¥þ§(1) ´éØC o¥þ Kµ ¿Âµ dPi dPi d Kµ cn©þµ Ki = = γu = γu (γum0ui) dτ dt dt d ~ ~ ) = F~ $ γu ≈ 1µ K = (m0u òzÚî§ dt Ïdé$éØ/o¥þ Kµ cn©þòz²;nå¥þ ép騹µ E Æ ÔnX d d Ki = γu (γum0ui) = γu (Pi) dt dt Mï 6 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!éØåƧ éØÄ寧µ í2éØ/µ ~ dp ~ F = dt d Pµ Kµ = dτ (1) du dPµ ´o¥þ§dτ Iþ =⇒ Kµ ´o¥þ§(1) ´éØC o¥þ Kµ ¿Âµ dPi dPi d Kµ cn©þµ Ki = = γu = γu (γum0ui) dτ dt dt d ~ ~ ) = F~ $ γu ≈ 1µ K = (m0u òzÚî§ dt Ïdé$éØ/o¥þ Kµ cn©þòz²;nå¥þ ép騹µ ~ = γuF~ µK E Æ ÔnX d d Ki = γu (γum0ui) = γu (Pi) dt dt ! ~ d d m0u ~ p F = (~ p) = β = u/c 2 dt dt 1−β Mï 6 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!éØåƧ éØÄ寧µ í2éØ/µ ~ dp ~ F = dt d Pµ Kµ = dτ (1) du dPµ ´o¥þ§dτ Iþ =⇒ Kµ ´o¥þ§(1) ´éØC o¥þ Kµ ¿Âµ dPi dPi d Kµ cn©þµ Ki = = γu = γu (γum0ui) dτ dt dt d ~ ~ ) = F~ $ γu ≈ 1µ K = (m0u òzÚî§ dt Ïdé$éØ/o¥þ Kµ cn©þòz²;nå¥þ ép騹µ ~ = γuF~ µK E Æ ÔnX d d Ki = γu (γum0ui) = γu (Pi) dt dt ! ~ d d m0u ~ p F = (~ p) = β = u/c 2 dt dt 1−β éØenÄ寧" Mï 6 Let there be light d Pµ , éØÄ寧µ Kµ = dτ E Æ ÔnX ²;>Ä寨 1ÔÙµdÂéØ § 8.6 i ~, W , Pµ = p c ~ m0u p ~= , p 2 1−β Mï 7 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light d Pµ , éØÄ寧µ Kµ = dτ Kµ cn©þµ E Æ ÔnX ~ = γuF~ , K ~ m0u p ~= , p 2 ! 1−β ~ m0u p (1) 2 1−β i ~, W , Pµ = p c ~ d dp ~ F = = dt dt Mï 7 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light d Pµ , éØÄ寧µ Kµ = dτ Kµ cn©þµ ~ = γuF~ , K ~ m0u p ~= , p 2 ! 1−β ~ m0u p (1) 2 1−β i ~, W , Pµ = p c ~ d dp ~ F = = dt dt d Pµ cn©þéØåƧ dτ ~ Ø´o¥þ Kµ cn©þ§ γuF ~ â´ Kµ cn©þ" 5¿nå¥þ F Kµ ¡oå¥þ§Kµ = E Æ ÔnX Mï 7 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light d Pµ , éØÄ寧µ Kµ = dτ Kµ cn©þµ ~ = γuF~ , K ~ m0u p ~= , p 2 ! 1−β ~ m0u p (1) 2 1−β i ~, W , Pµ = p c ~ d dp ~ F = = dt dt d Pµ cn©þéØåƧ dτ ~ Ø´o¥þ Kµ cn©þ§ γuF ~ â´ Kµ cn©þ" 5¿nå¥þ F Kµ ¡oå¥þ§Kµ = Kµ 1o©þµ E Æ ÔnX 2 i d~ p dP4 i dW id p 2 2 c 2 4 ~· p K4 = = = p c + m0c = dτ c dτ c dτ cW dτ Mï 7 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light d Pµ , éØÄ寧µ Kµ = dτ Kµ cn©þµ ~ = γuF~ , K ~ m0u p ~= , p 2 ! 1−β ~ m0u p (1) 2 1−β i ~, W , Pµ = p c ~ d dp ~ F = = dt dt d Pµ cn©þéØåƧ dτ ~ Ø´o¥þ Kµ cn©þ§ γuF ~ â´ Kµ cn©þ" 5¿nå¥þ F Kµ ¡oå¥þ§Kµ = Kµ 1o©þµ 2 i d~ p dP4 i dW id p 2 2 c 2 4 ~· p K4 = = = p c + m0c = dτ c dτ c dτ cW dτ d~ p ic γu ic γu ~ ~ · F~ p· p = = W dt W E Æ ÔnX Mï 7 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light d Pµ , éØÄ寧µ Kµ = dτ Kµ cn©þµ ~ = γuF~ , K ~ m0u p ~= , p 2 ! 1−β ~ m0u p (1) 2 1−β i ~, W , Pµ = p c ~ d dp ~ F = = dt dt d Pµ cn©þéØåƧ dτ ~ Ø´o¥þ Kµ cn©þ§ γuF ~ â´ Kµ cn©þ" 5¿nå¥þ F Kµ ¡oå¥þ§Kµ = Kµ 1o©þµ 2 i d~ p dP4 i dW id p 2 2 c 2 4 ~· p K4 = = = p c + m0c = dτ c dτ c dτ cW dτ d~ p ic γu ic γu ~ ~ · F~ p· p = = W dt W E Æ ÔnX |^µ ~ = γum0u ~, p W = γum0c2 Mï 7 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light d Pµ , éØÄ寧µ Kµ = dτ Kµ cn©þµ ~ = γuF~ , K ~ m0u p ~= , p 2 ! 1−β ~ m0u p (1) 2 1−β i ~, W , Pµ = p c ~ d dp ~ F = = dt dt d Pµ cn©þéØåƧ dτ ~ Ø´o¥þ Kµ cn©þ§ γuF ~ â´ Kµ cn©þ" 5¿nå¥þ F Kµ ¡oå¥þ§Kµ = Kµ 1o©þµ 2 i d~ p dP4 i dW id p 2 2 c 2 4 ~· p K4 = = = p c + m0c = dτ c dτ c dτ cW dτ d~ p ic γu ic γu ~ ~ · F~ p· p = = W dt W |^µ ~ = γum0u ~, p W = γum0c2 i i ~ ~ ~ ·F = u ~ ·K K4 = γuu c c E Æ ÔnX Mï 7 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light d Pµ , éØÄ寧µ Kµ = dτ Kµ cn©þµ ~ = γuF~ , K ~ m0u p ~= , p 2 ! 1−β ~ m0u p (1) 2 1−β i ~, W , Pµ = p c ~ d dp ~ F = = dt dt d Pµ cn©þéØåƧ dτ ~ Ø´o¥þ Kµ cn©þ§ γuF ~ â´ Kµ cn©þ" 5¿nå¥þ F Kµ ¡oå¥þ§Kµ = Kµ 1o©þµ 2 i d~ p dP4 i dW id p 2 2 c 2 4 ~· p K4 = = = p c + m0c = dτ c dτ c dτ cW dτ d~ p ic γu ic γu ~ = γum0u ~, p ~ ~ ~ p· p · F |^µ = = W = γum0c2 W dt W i i dW dW ~ ~ ~ ~ ~ = ~ = ~ ·F = u ~ ·K K4 = γuu 1o§µK · u ½ F ·u c c dτ dt E Æ ÔnX Mï 7 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light d Pµ , éØÄ寧µ Kµ = dτ Kµ cn©þµ ~ = γuF~ , K ~ m0u p ~= , p 2 ! 1−β ~ m0u p (1) 2 1−β i ~, W , Pµ = p c ~ d dp ~ F = = dt dt d Pµ cn©þéØåƧ dτ ~ Ø´o¥þ Kµ cn©þ§ γuF ~ â´ Kµ cn©þ" 5¿nå¥þ F Kµ ¡oå¥þ§Kµ = Kµ 1o©þµ 2 i d~ p dP4 i dW id p 2 2 c 2 4 ~· p K4 = = = p c + m0c = dτ c dτ c dτ cW dτ d~ p ic γu ic γu ~ = γum0u ~, p ~ ~ ~ p· p · F |^µ = = W = γum0c2 W dt W i i dW dW ~ ~ ~ ~ ~ = ~ = ~ ·F = u ~ ·K K4 = γuu 1o§µK · u ½ F ·u c c dτ dt i i ~ ~ ~ ~ ~ · K = γu F , u ~ ·F oå¥þµ Kµ = K, u c c E Æ ÔnX Mï 7 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light d Pµ , éØÄ寧µ Kµ = dτ Kµ cn©þµ ~ = γuF~ , K ~ m0u p ~= , p 2 ! 1−β ~ m0u p (1) 2 1−β i ~, W , Pµ = p c ~ d dp ~ F = = dt dt d Pµ cn©þéØåƧ dτ ~ Ø´o¥þ Kµ cn©þ§ γuF ~ â´ Kµ cn©þ" 5¿nå¥þ F Kµ ¡oå¥þ§Kµ = Kµ 1o©þµ 2 i d~ p dP4 i dW id p 2 2 c 2 4 ~· p K4 = = = p c + m0c = dτ c dτ c dτ cW dτ d~ p ic γu ic γu ~ = γum0u ~, p ~ ~ ~ p· p · F |^µ = = W = γum0c2 W dt W i i dW dW ~ ~ ~ ~ ~ = ~ = ~ ·F = u ~ ·K K4 = γuu 1o§µK · u ½ F ·u c c dτ dt i i ~ ~ ~ ~ ~ · K = γu F , u ~ ·F oå¥þµ Kµ = K, u c c dPµ éØÄ寧µ Kµ = dτ E Æ ÔnX Mï 7 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light d Pµ , éØÄ寧µ Kµ = dτ Kµ cn©þµ ~ = γuF~ , K ~ m0u p ~= , p 2 ! 1−β ~ m0u p (1) 2 1−β i ~, W , Pµ = p c ~ d dp ~ F = = dt dt d Pµ cn©þéØåƧ dτ ~ Ø´o¥þ Kµ cn©þ§ γuF ~ â´ Kµ cn©þ" 5¿nå¥þ F Kµ ¡oå¥þ§Kµ = Kµ 1o©þµ 2 i d~ p dP4 i dW id p 2 2 c 2 4 ~· p K4 = = = p c + m0c = dτ c dτ c dτ cW dτ d~ p ic γu ic γu ~ = γum0u ~, p ~ ~ ~ p· p · F |^µ = = W = γum0c2 W dt W i i dW dW ~ ~ ~ ~ ~ = ~ = ~ ·F = u ~ ·K K4 = γuu 1o§µK · u ½ F ·u c c dτ dt i i ~ ~ ~ ~ ~ · K = γu F , u ~ ·F oå¥þµ Kµ = K, u c c d~ p d~ p ~ ~ K= ½ F = dPµ dτ dt =⇒ éØÄ寧µ Kµ = dW dW dτ ~ ·u ~ ·u K ~ = ~ = ½ F dτ dt E Æ ÔnX Mï 7 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light éØÄ寧µ E Æ ÔnX Kµ = dPµ dτ Mï 8 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light éØÄ寧µ E Æ ÔnX dPµ Kµ = dτ =⇒ ~ ~ = dp K dτ dW ~ ·u K ~ = dτ ½ ½ ~ dp ~ F = dt dW ~ ·u ~ = F dt Mï 8 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light dPµ éØÄ寧µ Kµ = dτ i ~, W oÄþ¥þµPµ = p c E Æ ÔnX =⇒ ~ ~ = dp K dτ dW ~ ·u K ~ = dτ ½ ½ ~ dp ~ F = dt dW ~ ·u ~ = F dt Mï 8 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light dPµ éØÄ寧µ Kµ = dτ i ~, W oÄþ¥þµPµ = p c oÄþ¥þC'XµPx0 = γv E Æ ÔnX =⇒ ~ ~ = dp K dτ dW ~ ·u K ~ = dτ ½ ½ ~ dp ~ F = dt dW ~ ·u ~ = F dt v Px − 2 W , Py0 = Py , Pz0 = Pz , W 0 = γv (W − vPx) c Mï 8 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light dPµ éØÄ寧µ Kµ = dτ i ~, W oÄþ¥þµPµ = p c oÄþ¥þC'XµPx0 = γv =⇒ ~ ~ = dp K dτ dW ~ ·u K ~ = dτ ½ ½ ~ dp ~ F = dt dW ~ ·u ~ = F dt v Px − 2 W , Py0 = Py , Pz0 = Pz , W 0 = γv (W − vPx) c ØÓ.5X¥åC E Æ ÔnX Mï 8 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light dPµ éØÄ寧µ Kµ = dτ i ~, W oÄþ¥þµPµ = p c oÄþ¥þC'XµPx0 = γv =⇒ ~ ~ = dp K dτ dW ~ ·u K ~ = dτ ½ ½ ~ dp ~ F = dt dW ~ ·u ~ = F dt v Px − 2 W , Py0 = Py , Pz0 = Pz , W 0 = γv (W − vPx) c ØÓ.5X¥åC Fy0 = E dp0y d t0 Æ ÔnX Mï 8 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light dPµ éØÄ寧µ Kµ = dτ i ~, W oÄþ¥þµPµ = p c oÄþ¥þC'XµPx0 = γv =⇒ ~ ~ = dp K dτ dW ~ ·u K ~ = dτ ½ ½ ~ dp ~ F = dt dW ~ ·u ~ = F dt v Px − 2 W , Py0 = Py , Pz0 = Pz , W 0 = γv (W − vPx) c ØÓ.5X¥åC Fy0 = E dp0y = 0 dt Æ dpy γβ γ dt − dx c ÔnX Mï 8 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light dPµ éØÄ寧µ Kµ = dτ i ~, W oÄþ¥þµPµ = p c oÄþ¥þC'XµPx0 = γv =⇒ ~ ~ = dp K dτ dW ~ ·u K ~ = dτ ½ ½ ~ dp ~ F = dt dW ~ ·u ~ = F dt v Px − 2 W , Py0 = Py , Pz0 = Pz , W 0 = γv (W − vPx) c ØÓ.5X¥åC Fy0 = E dp0y = 0 dt Æ dpy dpy /dt = γβ β dx γ dt − dx γ 1− c c dt ÔnX Mï 8 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light dPµ éØÄ寧µ Kµ = dτ i ~, W oÄþ¥þµPµ = p c oÄþ¥þC'XµPx0 = γv =⇒ ~ ~ = dp K dτ dW ~ ·u K ~ = dτ ½ ½ ~ dp ~ F = dt dW ~ ·u ~ = F dt v Px − 2 W , Py0 = Py , Pz0 = Pz , W 0 = γv (W − vPx) c ØÓ.5X¥åC Fy0 = E dp0y = 0 dt Æ dpy dpy /dt Fy = = γβ β dx γ(1 − βux/c) γ dt − dx γ 1− c c dt ÔnX Mï 8 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light dPµ éØÄ寧µ Kµ = dτ i ~, W oÄþ¥þµPµ = p c oÄþ¥þC'XµPx0 = γv =⇒ ~ ~ = dp K dτ dW ~ ·u K ~ = dτ ½ ½ ~ dp ~ F = dt dW ~ ·u ~ = F dt v Px − 2 W , Py0 = Py , Pz0 = Pz , W 0 = γv (W − vPx) c ØÓ.5X¥åC Fy0 = E dp0y = 0 dt Æ dpy dpy /dt Fy Fy = = =⇒ Fy0 = γβ β dx γ(1 − βux/c) γ(1 − βux/c) γ dt − dx γ 1− c c dt ÔnX Mï 8 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light dPµ éØÄ寧µ Kµ = dτ i ~, W oÄþ¥þµPµ = p c oÄþ¥þC'XµPx0 = γv =⇒ ~ ~ = dp K dτ dW ~ ·u K ~ = dτ ½ ½ ~ dp ~ F = dt dW ~ ·u ~ = F dt v Px − 2 W , Py0 = Py , Pz0 = Pz , W 0 = γv (W − vPx) c ØÓ.5X¥åC dp0y dpy dpy /dt Fy Fy = = =⇒ Fy0 = γβ β dx γ(1 − βux/c) γ(1 − βux/c) γ dt − dx γ 1− c c dt Fz 0 aq/µFz = γ(1 − βux/c) Fy0 = E = 0 dt Æ ÔnX Mï 8 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light dPµ éØÄ寧µ Kµ = dτ i ~, W oÄþ¥þµPµ = p c oÄþ¥þC'XµPx0 = γv =⇒ ~ ~ = dp K dτ dW ~ ·u K ~ = dτ ½ ½ ~ dp ~ F = dt dW ~ ·u ~ = F dt v Px − 2 W , Py0 = Py , Pz0 = Pz , W 0 = γv (W − vPx) c ØÓ.5X¥åC dp0y dpy dpy /dt Fy Fy = = =⇒ Fy0 = γβ β dx γ(1 − βux/c) γ(1 − βux/c) γ dt − dx γ 1− c c dt Fz 0 aq/µFz = γ(1 − βux/c) Fy0 = = 0 dt 0 d p Fx0 = x0 dt E Æ ÔnX Mï 8 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light dPµ éØÄ寧µ Kµ = dτ i ~, W oÄþ¥þµPµ = p c oÄþ¥þC'XµPx0 = γv =⇒ ~ ~ = dp K dτ dW ~ ·u K ~ = dτ ½ ½ ~ dp ~ F = dt dW ~ ·u ~ = F dt v Px − 2 W , Py0 = Py , Pz0 = Pz , W 0 = γv (W − vPx) c ØÓ.5X¥åC dp0y dpy dpy /dt Fy Fy = = =⇒ Fy0 = γβ β dx γ(1 − βux/c) γ(1 − βux/c) γ dt − dx γ 1− c c dt Fz 0 aq/µFz = γ(1 − βux/c) Fy0 = = 0 dt 0 d p γ(dpx + iβ dP4) x 0 Fx = = d t0 γ[dt − (β/c) dx] E Æ ÔnX Mï 8 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light dPµ éØÄ寧µ Kµ = dτ i ~, W oÄþ¥þµPµ = p c oÄþ¥þC'XµPx0 = γv =⇒ ~ ~ = dp K dτ dW ~ ·u K ~ = dτ ½ ½ ~ dp ~ F = dt dW ~ ·u ~ = F dt v Px − 2 W , Py0 = Py , Pz0 = Pz , W 0 = γv (W − vPx) c ØÓ.5X¥åC dp0y dpy dpy /dt Fy Fy = = =⇒ Fy0 = γβ β dx γ(1 − βux/c) γ(1 − βux/c) γ dt − dx γ 1− c c dt Fz 0 aq/µFz = γ(1 − βux/c) Fy0 = = 0 dt 0 d p γ(dpx + iβ dP4) dpx/dt − (β/c)(dW/dt) x 0 Fx = = = d t0 γ[dt − (β/c) dx] 1 − (β/c) dx/dt E Æ ÔnX Mï 8 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light dPµ éØÄ寧µ Kµ = dτ i ~, W oÄþ¥þµPµ = p c oÄþ¥þC'XµPx0 = γv =⇒ ~ ~ = dp K dτ dW ~ ·u K ~ = dτ ½ ½ ~ dp ~ F = dt dW ~ ·u ~ = F dt v Px − 2 W , Py0 = Py , Pz0 = Pz , W 0 = γv (W − vPx) c ØÓ.5X¥åC dp0y dpy dpy /dt Fy Fy = = =⇒ Fy0 = γβ β dx γ(1 − βux/c) γ(1 − βux/c) γ dt − dx γ 1− c c dt Fz 0 aq/µFz = γ(1 − βux/c) Fy0 = = 0 dt 0 ~) d p γ(dpx + iβ dP4) dpx/dt − (β/c)(dW/dt) Fx − (β/c)(~ u·F x 0 Fx = = = = d t0 γ[dt − (β/c) dx] 1 − (β/c) dx/dt 1 − βux/c E Æ ÔnX Mï 8 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light dPµ éØÄ寧µ Kµ = dτ i ~, W oÄþ¥þµPµ = p c oÄþ¥þC'XµPx0 = γv =⇒ ~ ~ = dp K dτ dW ~ ·u K ~ = dτ ½ ½ ~ dp ~ F = dt dW ~ ·u ~ = F dt v Px − 2 W , Py0 = Py , Pz0 = Pz , W 0 = γv (W − vPx) c ØÓ.5X¥åC dp0y dpy dpy /dt Fy Fy = = =⇒ Fy0 = γβ β dx γ(1 − βux/c) γ(1 − βux/c) γ dt − dx γ 1− c c dt Fz 0 aq/µFz = γ(1 − βux/c) Fy0 = = 0 dt 0 ~) d p γ(dpx + iβ dP4) dpx/dt − (β/c)(dW/dt) Fx − (β/c)(~ u·F x 0 Fx = = = = d t0 γ[dt − (β/c) dx] 1 − (β/c) dx/dt 1 − βux/c ~ =⇒ E Æ Fx − (β/c)(~ u · F) 0 Fx = 1 − βux/c ÔnX Mï 8 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light dPµ éØÄ寧µ Kµ = dτ i ~, W oÄþ¥þµPµ = p c oÄþ¥þC'XµPx0 = γv =⇒ ~ ~ = dp K dτ dW ~ ·u K ~ = dτ ½ ½ ~ dp ~ F = dt dW ~ ·u ~ = F dt v Px − 2 W , Py0 = Py , Pz0 = Pz , W 0 = γv (W − vPx) c ØÓ.5X¥åC dp0y dpy dpy /dt Fy Fy = = =⇒ Fy0 = γβ β dx γ(1 − βux/c) γ(1 − βux/c) γ dt − dx γ 1− c c dt Fz 0 aq/µFz = γ(1 − βux/c) Fy0 = = 0 dt 0 ~) d p γ(dpx + iβ dP4) dpx/dt − (β/c)(dW/dt) Fx − (β/c)(~ u·F x 0 Fx = = = = d t0 γ[dt − (β/c) dx] 1 − (β/c) dx/dt 1 − βux/c ~ =⇒ Fx − (β/c)(~ u · F) 0 Fx = 1 − βux/c e3 S .5X¥âf´·§Kkµ E Æ ÔnX ~0 = 1 F ~⊥, F ⊥ γ F||0 = F|| Mï 8 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light dPµ éØÄ寧µ Kµ = dτ i ~, W oÄþ¥þµPµ = p c oÄþ¥þC'XµPx0 = γv =⇒ ~ ~ = dp K dτ dW ~ ·u K ~ = dτ ½ ½ ~ dp ~ F = dt dW ~ ·u ~ = F dt v Px − 2 W , Py0 = Py , Pz0 = Pz , W 0 = γv (W − vPx) c ØÓ.5X¥åC dp0y dpy dpy /dt Fy Fy = = =⇒ Fy0 = γβ β dx γ(1 − βux/c) γ(1 − βux/c) γ dt − dx γ 1− c c dt Fz 0 aq/µFz = γ(1 − βux/c) Fy0 = = 0 dt 0 ~) d p γ(dpx + iβ dP4) dpx/dt − (β/c)(dW/dt) Fx − (β/c)(~ u·F x 0 Fx = = = = d t0 γ[dt − (β/c) dx] 1 − (β/c) dx/dt 1 − βux/c ~ =⇒ Fx − (β/c)(~ u · F) 0 Fx = 1 − βux/c e3 S .5X¥âf´·§Kkµ ~0 = 1 F ~⊥, F ⊥ γ F||0 = F|| § 8.5 p15, ~ 1 ^ùúª E Æ ÔnX Mï 8 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!'X E Æ ÔnX ÄUúª U'X Mï 9 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!'X ÄUúª U'X 'X ~ = γum0u ~ éØÄþµ p éØUþµ W = γum0c2 -µm = γu m0§m ¡ÔN$Äþ§Kµ~ p = m~ u, E Æ ÔnX W = mc2 $q Mï 9 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!'X ÄUúª U'X 'X ~ = γum0u ~ éØÄþµ p éØUþµ W = γum0c2 -µm = γu m0§m ¡ÔN$Äþ§Kµ~ p = m~ u, p m = m0/ 1 − u2/c2, E Æ ÔnX W = mc2 $q þÝ'Xª Mï 9 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!'X ÄUúª U'X 'X ~ = γum0u ~ éØÄþµ p éØUþµ W = γum0c2 -µm = γu m0§m ¡ÔN$Äþ§Kµ~ p = m~ u, p m = m0/ 1 − u2/c2, W = mc2 $q þÝ'Xª ?Ø E Æ ÔnX Mï 9 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!'X ÄUúª U'X 'X ~ = γum0u ~ éØÄþµ p éØUþµ W = γum0c2 -µm = γu m0§m ¡ÔN$Äþ§Kµ~ p = m~ u, p m = m0/ 1 − u2/c2, W = mc2 $q þÝ'Xª ?Ø (1) E lþÝ'X§ÔNþØ´~ê§ ´ÝO\ Æ ÔnX Mï 9 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!'X ÄUúª U'X 'X ~ = γum0u ~ éØÄþµ p éØUþµ W = γum0c2 -µm = γu m0§m ¡ÔN$Äþ§Kµ~ p = m~ u, p m = m0/ 1 − u2/c2, W = mc2 $q þÝ'Xª ?Ø (1) (2) E lþÝ'X§ÔNþØ´~ê§ ´ÝO\ ~ ~ dp du ~ ~ Ï 3²;寥§§ F = ÚF = m d dt dt ~ ~ dp du ~ ~ 3騥§duþÝk'§Ek F = § F = m ؤá dt dt Æ ÔnX Mï 9 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!'X ÄUúª U'X 'X ~ = γum0u ~ éØÄþµ p éØUþµ W = γum0c2 -µm = γu m0§m ¡ÔN$Äþ§Kµ~ p = m~ u, p m = m0/ 1 − u2/c2, W = mc2 $q þÝ'Xª ?Ø (1) (2) (3) E lþÝ'X§ÔNþØ´~ê§ ´ÝO\ ~ ~ dp du ~ ~ Ï 3²;寥§§ F = ÚF = m d dt dt ~ ~ dp du ~ ~ 3騥§duþÝk'§Ek F = § F = m ؤá dt dt 'X{üÔn¯~ Æ ÔnX Mï 9 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!'X ÄUúª U'X 'X ~ = γum0u ~ éØÄþµ p éØUþµ W = γum0c2 -µm = γu m0§m ¡ÔN$Äþ§Kµ~ p = m~ u, p m = m0/ 1 − u2/c2, W = mc2 $q þÝ'Xª ?Ø (1) (2) (3) lþÝ'X§ÔNþØ´~ê§ ´ÝO\ ~ ~ dp du ~ ~ Ï 3²;寥§§ F = ÚF = m d dt dt ~ ~ dp du ~ ~ 3騥§duþÝk'§Ek F = § F = m ؤá dt dt 'X{üÔn¯~ kü.5Xµ¢¿.5X S Úé S ±Ý v ÷ +x $Ä.5X S 0 E Æ ÔnX Mï 9 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light o!'X ÄUúª U'X 'X ~ = γum0u ~ éØÄþµ p éØUþµ W = γum0c2 -µm = γu m0§m ¡ÔN$Äþ§Kµ~ p = m~ u, p m = m0/ 1 − u2/c2, W = mc2 $q þÝ'Xª ?Ø (1) (2) (3) lþÝ'X§ÔNþØ´~ê§ ´ÝO\ ~ ~ dp du ~ ~ Ï 3²;寥§§ F = ÚF = m d dt dt ~ ~ dp du ~ ~ 3騥§duþÝk'§Ek F = § F = m ؤá dt dt 'X{üÔn¯~ kü.5Xµ¢¿.5X S Úé S ±Ý v ÷ +x $Ä.5X S 0 A, B ü·þÑ m0 âf§3 S 0 X¥Ý©O ±v êx§5-E E Æ ÔnX Mï 9 Let there be light (3) E ²;>Ä寨 1ÔÙµdÂéØ § 8.6 'X{üÔn¯~£Y¤ Æ ÔnX Mï 10 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) 'X{üÔn¯~£Y¤ 3 S 0 X§5-E E Æ ÔnX üâfÜ§Ý 0§éu S 0 X· Mï 10 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) E 'X{üÔn¯~£Y¤ 3 S 0 X§5-E üâfÜ§Ý 0§éu S 0 X· 3 S X§5-E üâfÜ§Ý v Æ ÔnX Mï 10 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) 'X{üÔn¯~£Y¤ 3 S 0 X§5-E üâfÜ§Ý 0§éu S 0 X· 3 S X§5-E üâfÜ§Ý v 3 S X§-Ec A, B üâfÝ©O u Ú 0§þ©Oµm Ú m0 E Æ ÔnX Mï 10 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) 'X{üÔn¯~£Y¤ 3 S 0 X§5-E üâfÜ§Ý 0§éu S 0 X· 3 S X§5-E üâfÜ§Ý v 3 S X§-Ec A, B üâfÝ©O u Ú 0§þ©Oµm Ú m0 v+v dÝCúªµu = 1 − v 2/c2 E Æ ÔnX (1) Mï 10 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) 'X{üÔn¯~£Y¤ 3 S 0 X§5-E üâfÜ§Ý 0§éu S 0 X· 3 S X§5-E üâfÜ§Ý v 3 S X§-Ec A, B üâfÝ©O u Ú 0§þ©Oµm Ú m0 v+v dÝCúªµu = (1) 2 2 1 − v /c 3 S X§-EcÄþµPa = mu + m0 0§-E üâfÜ§Ý v " E Æ ÔnX Mï 10 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) 'X{üÔn¯~£Y¤ 3 S 0 X§5-E üâfÜ§Ý 0§éu S 0 X· 3 S X§5-E üâfÜ§Ý v 3 S X§-Ec A, B üâfÝ©O u Ú 0§þ©Oµm Ú m0 v+v dÝCúªµu = (1) 2 2 1 − v /c 3 S X§-EcÄþµPa = mu + m0 0§-E üâfÜ§Ý v " 3 S X§-E E Æ ÔnX ÄþµPb = (m + m0)v § Mï 10 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) 'X{üÔn¯~£Y¤ 3 S 0 X§5-E üâfÜ§Ý 0§éu S 0 X· 3 S X§5-E üâfÜ§Ý v 3 S X§-Ec A, B üâfÝ©O u Ú 0§þ©Oµm Ú m0 v+v dÝCúªµu = (1) 2 2 1 − v /c 3 S X§-EcÄþµPa = mu + m0 0§-E üâfÜ§Ý v " 3 S X§-E ÄþµPb = (m + m0)v § ÄþÅðµPa = Pb E Æ ÔnX =⇒ mu = (m + m0)v (2) Mï 10 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) 'X{üÔn¯~£Y¤ 3 S 0 X§5-E üâfÜ§Ý 0§éu S 0 X· 3 S X§5-E üâfÜ§Ý v 3 S X§-Ec A, B üâfÝ©O u Ú 0§þ©Oµm Ú m0 v+v dÝCúªµu = (1) 2 2 1 − v /c 3 S X§-EcÄþµPa = mu + m0 0§-E üâfÜ§Ý v " 3 S X§-E ÄþµPb = (m + m0)v § ÄþÅðµPa = Pb =⇒ mu = (m + m0)v p d (1 - 2) µm = m0/ 1 − u2/c2 éØ'X E Æ ÔnX (2) Mï 10 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) 'X{üÔn¯~£Y¤ 3 S 0 X§5-E üâfÜ§Ý 0§éu S 0 X· 3 S X§5-E üâfÜ§Ý v 3 S X§-Ec A, B üâfÝ©O u Ú 0§þ©Oµm Ú m0 v+v dÝCúªµu = (1) 2 2 1 − v /c 3 S X§-EcÄþµPa = mu + m0 0§-E üâfÜ§Ý v " 3 S X§-E ÄþµPb = (m + m0)v § ÄþÅðµPa = Pb =⇒ mu = (m + m0)v p d (1 - 2) µm = m0/ 1 − u2/c2 éØ'X ÄU½nµ E Æ ÔnX (2) éØÄUµT = W − W0 = (m − m0)c2 Mï 10 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) 'X{üÔn¯~£Y¤ 3 S 0 X§5-E üâfÜ§Ý 0§éu S 0 X· 3 S X§5-E üâfÜ§Ý v 3 S X§-Ec A, B üâfÝ©O u Ú 0§þ©Oµm Ú m0 v+v dÝCúªµu = (1) 2 2 1 − v /c 3 S X§-EcÄþµPa = mu + m0 0§-E üâfÜ§Ý v " 3 S X§-E ÄþµPb = (m + m0)v § ÄþÅðµPa = Pb =⇒ mu = (m + m0)v p d (1 - 2) µm = m0/ 1 − u2/c2 éØ'X ÄU½nµ (2) éØÄUµT = W − W0 = (m − m0)c2 dm 2 dW dT ~ = c = = F~ · u dt dt dt E Æ ÔnX Mï 10 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) 'X{üÔn¯~£Y¤ 3 S 0 X§5-E üâfÜ§Ý 0§éu S 0 X· 3 S X§5-E üâfÜ§Ý v 3 S X§-Ec A, B üâfÝ©O u Ú 0§þ©Oµm Ú m0 v+v dÝCúªµu = (1) 2 2 1 − v /c 3 S X§-EcÄþµPa = mu + m0 0§-E üâfÜ§Ý v " 3 S X§-E ÄþµPb = (m + m0)v § ÄþÅðµPa = Pb =⇒ mu = (m + m0)v p d (1 - 2) µm = m0/ 1 − u2/c2 éØ'X ÄU½nµ (2) éØÄUµT = W − W0 = (m − m0)c2 dm 2 dW dT ~ = c = = F~ · u dt dt dt dT ~ ~ = 騥§ÄU½nE,¤áµF · u dt E Æ ÔnX Mï 10 Let there be light ²;>Ä寨 1ÔÙµdÂéØ § 8.6 U'Xµ $ÄÔNUþµW = mc2 E Æ ÔnX ·ÔNUþµW0 = m0c2 Mï 11 Let there be light ²;>Ä寨 1ÔÙµdÂéØ § 8.6 U'Xµ $ÄÔNUþµW = mc2 ·ÔNUþµW0 = m0c2 ?Ø E Æ ÔnX Mï 11 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light U'Xµ $ÄÔNUþµW = mc2 ·ÔNUþµW0 = m0c2 ?Ø (1) U'XN ½þâfäk½SÜ$ÄUþ k½SÜ$ÄUþâfKLyÑk½.5þ E Æ ÔnX Mï 11 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light U'Xµ $ÄÔNUþµW = mc2 ·ÔNUþµW0 = m0c2 ?Ø (1) U'XN ½þâfäk½SÜ$ÄUþ k½SÜ$ÄUþâfKLyÑk½.5þ (2) U'XÓ·ÜuEÜâf"éEÜâf§W0 ´ÔN%·oSÜUþ 3%.5X§EÜâfUþ W0 = M0c2§M0 ÔNoþ" W0 = M0c2 E Æ ÔnX Mï 11 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light U'Xµ $ÄÔNUþµW = mc2 ·ÔNUþµW0 = m0c2 ?Ø (1) U'XN ½þâfäk½SÜ$ÄUþ k½SÜ$ÄUþâfKLyÑk½.5þ (2) U'XÓ·ÜuEÜâf"éEÜâf§W0 ´ÔN%·oSÜUþ 3%.5X§EÜâfUþ W0 = M0c2§M0 ÔNoþ" X X X 2 2 2 W0 = M0 c = mi0c + Ti + U 6= mi0c i i i )âf·Uþ§éu%$ÄÄU§Úâfmp^U E Æ ÔnX Mï 11 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light U'Xµ $ÄÔNUþµW = mc2 ·ÔNUþµW0 = m0c2 ?Ø (1) U'XN ½þâfäk½SÜ$ÄUþ k½SÜ$ÄUþâfKLyÑk½.5þ (2) U'XÓ·ÜuEÜâf"éEÜâf§W0 ´ÔN%·oSÜUþ 3%.5X§EÜâfUþ W0 = M0c2§M0 ÔNoþ" X X X 2 2 2 W0 = M0 c = mi0c + Ti + U 6= mi0c i i i )âf·Uþ§éu%$ÄÄU§Úâfmp^U X 2 ∆W = W0 − mi0c ¡ÔN(ÜU i ∆W < 0 L«EÜâf´½§|∆W | L«EÜâf½ E Æ ÔnX Mï 11 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light U'Xµ $ÄÔNUþµW = mc2 ·ÔNUþµW0 = m0c2 ?Ø (1) U'XN ½þâfäk½SÜ$ÄUþ k½SÜ$ÄUþâfKLyÑk½.5þ (2) U'XÓ·ÜuEÜâf"éEÜâf§W0 ´ÔN%·oSÜUþ 3%.5X§EÜâfUþ W0 = M0c2§M0 ÔNoþ" X X X 2 2 2 W0 = M0 c = mi0c + Ti + U 6= mi0c i i i )âf·Uþ§éu%$ÄÄU§Úâfmp^U X 2 ∆W = W0 − mi0c ¡ÔN(ÜU i ∆W < 0 L«EÜâf´½§|∆W | L«EÜâf½ l |∆W | âf |∆W | âf=C E Æ ÔnX ºUþ=ØU Mï 11 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light U'Xµ $ÄÔNUþµW = mc2 ·ÔNUþµW0 = m0c2 ?Ø (1) U'XN ½þâfäk½SÜ$ÄUþ k½SÜ$ÄUþâfKLyÑk½.5þ (2) U'XÓ·ÜuEÜâf"éEÜâf§W0 ´ÔN%·oSÜUþ 3%.5X§EÜâfUþ W0 = M0c2§M0 ÔNoþ" X X X 2 2 2 W0 = M0 c = mi0c + Ti + U 6= mi0c i i i )âf·Uþ§éu%$ÄÄU§Úâfmp^U X 2 ∆W = W0 − mi0c ¡ÔN(ÜU i ∆W < 0 L«EÜâf´½§|∆W | L«EÜâf½ l |∆W | âf |∆W | âf=C X 2 EÜâfþµM0 = W0/c 6= mi0 ºUþ=ØU i E Æ ÔnX Mï 11 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light U'Xµ $ÄÔNUþµW = mc2 ·ÔNUþµW0 = m0c2 ?Ø (1) U'XN ½þâfäk½SÜ$ÄUþ k½SÜ$ÄUþâfKLyÑk½.5þ (2) U'XÓ·ÜuEÜâf"éEÜâf§W0 ´ÔN%·oSÜUþ 3%.5X§EÜâfUþ W0 = M0c2§M0 ÔNoþ" X X X 2 2 2 W0 = M0 c = mi0c + Ti + U 6= mi0c i i i )âf·Uþ§éu%$ÄÄU§Úâfmp^U X 2 ∆W = W0 − mi0c ¡ÔN(ÜU i ∆W < 0 L«EÜâf´½§|∆W | L«EÜâf½ l |∆W | âf |∆W | âf=C ºUþ=ØU X 2 EÜâfþµM0 = W0/c 6= mi0 i X 2 ∆M = M0 − mi0 = ∆W/c ¡þº"∆M > 0 âfòu)guPC" i E Æ ÔnX Mï 11 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ê!oÅ¥þ E Æ ÔnX Doppler A Mï 12 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ê!oÅ¥þ Doppler A l²;寥µ Å C* ö§* öÿªÇo´puÅ éu* ö·ÿªÇ Å l* ö§* öÿªÇo´$uÅ éu* ö·ÿªÇ E Æ ÔnX Mï 12 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ê!oÅ¥þ Doppler A l²;寥µ Å C* ö§* öÿªÇo´puÅ éu* ö·ÿªÇ Å l* ö§* öÿªÇo´$uÅ éu* ö·ÿªÇ 3騥9ØÓ.5XmªÇC'X§ E Æ ÔnX Mï 12 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ê!oÅ¥þ Doppler A l²;寥µ Å C* ö§* öÿªÇo´puÅ éu* ö·ÿªÇ Å l* ö§* öÿªÇo´$uÅ éu* ö·ÿªÇ 3騥9ØÓ.5XmªÇC'X§oÅ¥þ¯K" E Æ ÔnX Mï 12 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ê!oÅ¥þ Doppler A l²;寥µ Å C* ö§* öÿªÇo´puÅ éu* ö·ÿªÇ Å l* ö§* öÿªÇo´$uÅ éu* ö·ÿªÇ 3騥9ØÓ.5XmªÇC'X§oÅ¥þ¯K" i ~ kµ = k, ω ´o¥þ c E Æ ÔnX Mï 12 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ê!oÅ¥þ Doppler A l²;寥µ Å C* ö§* öÿªÇo´puÅ éu* ö·ÿªÇ Å l* ö§* öÿªÇo´$uÅ éu* ö·ÿªÇ 3騥9ØÓ.5XmªÇC'X§oÅ¥þ¯K" i ~ kµ = k, ω ´o¥þ c (1) E lþfåÆÝw Æ ÔnX Mï 12 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ê!oÅ¥þ Doppler A l²;寥µ Å C* ö§* öÿªÇo´puÅ éu* ö·ÿªÇ Å l* ö§* öÿªÇo´$uÅ éu* ö·ÿªÇ 3騥9ØÓ.5XmªÇC'X§oÅ¥þ¯K" i ~ kµ = k, ω ´o¥þ c (1) lþfåÆÝw ~ = ~~ 1fÄþ p k§1fUþµW = ~ω E Æ ÔnX Mï 12 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ê!oÅ¥þ Doppler A l²;寥µ Å C* ö§* öÿªÇo´puÅ éu* ö·ÿªÇ Å l* ö§* öÿªÇo´$uÅ éu* ö·ÿªÇ 3騥9ØÓ.5XmªÇC'X§oÅ¥þ¯K" i ~ kµ = k, ω ´o¥þ c (1) lþfåÆÝw ~ = ~~ 1fÄþ p k§1fUþµW = ~ω i i ~, W = ~ ~ üö¤oÄþ¥þµPµ = p k, ω c c E Æ ÔnX Mï 12 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ê!oÅ¥þ Doppler A l²;寥µ Å C* ö§* öÿªÇo´puÅ éu* ö·ÿªÇ Å l* ö§* öÿªÇo´$uÅ éu* ö·ÿªÇ 3騥9ØÓ.5XmªÇC'X§oÅ¥þ¯K" i ~ kµ = k, ω ´o¥þ c (1) lþfåÆÝw ~ = ~~ 1fÄþ p k§1fUþµW = ~ω i i ~, W = ~ ~ üö¤oÄþ¥þµPµ = p k, ω c c E Æ ÔnX l µ ~ k, i ω ´o¥þ c Mï 12 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ê!oÅ¥þ Doppler A l²;寥µ Å C* ö§* öÿªÇo´puÅ éu* ö·ÿªÇ Å l* ö§* öÿªÇo´$uÅ éu* ö·ÿªÇ 3騥9ØÓ.5XmªÇC'X§oÅ¥þ¯K" i ~ kµ = k, ω ´o¥þ c (1) lþfåÆÝw (2) ~ = ~~ 1fÄþ p k§1fUþµW = ~ω i i ~, W = ~ ~ üö¤oÄþ¥þµPµ = p k, ω c c l²¡>^Å>^|Üþw E Æ ÔnX l µ ~ k, i ω ´o¥þ c Mï 12 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ê!oÅ¥þ Doppler A l²;寥µ Å C* ö§* öÿªÇo´puÅ éu* ö·ÿªÇ Å l* ö§* öÿªÇo´$uÅ éu* ö·ÿªÇ 3騥9ØÓ.5XmªÇC'X§oÅ¥þ¯K" i ~ kµ = k, ω ´o¥þ c (1) lþfåÆÝw (2) ~ = ~~ 1fÄþ p k§1fUþµW = ~ω i i ~, W = ~ ~ üö¤oÄþ¥þµPµ = p k, ω c c l²¡>^Å>^|Üþw ~ =E ~ 0ei~k·~r−iωt, 鲡>^ŵE E Æ ÔnX l µ ~ k, i ω ´o¥þ c ~ =B ~ 0ei~k·~r−iωt, B Mï 12 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ê!oÅ¥þ Doppler A l²;寥µ Å C* ö§* öÿªÇo´puÅ éu* ö·ÿªÇ Å l* ö§* öÿªÇo´$uÅ éu* ö·ÿªÇ 3騥9ØÓ.5XmªÇC'X§oÅ¥þ¯K" i ~ kµ = k, ω ´o¥þ c (1) lþfåÆÝw l (2) ~ = ~~ 1fÄþ p k§1fUþµW = ~ω i i ~, W = ~ ~ üö¤oÄþ¥þµPµ = p k, ω c c l²¡>^Å>^|Üþw ~ =E ~ 0ei~k·~r−iωt, 鲡>^ŵE =⇒ E Æ ÔnX ~ =B ~ 0ei~k·~r−iωt, B µ ~ k, i ω ´o¥þ c ~ 0 ik·~ Fµν = Fµν e r−iωt Mï 12 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ê!oÅ¥þ Doppler A l²;寥µ Å C* ö§* öÿªÇo´puÅ éu* ö·ÿªÇ Å l* ö§* öÿªÇo´$uÅ éu* ö·ÿªÇ 3騥9ØÓ.5XmªÇC'X§oÅ¥þ¯K" i ~ kµ = k, ω ´o¥þ c (1) lþfåÆÝw l (2) ~ = ~~ 1fÄþ p k§1fUþµW = ~ω i i ~, W = ~ ~ üö¤oÄþ¥þµPµ = p k, ω c c l²¡>^Å>^|Üþw ~ =E ~ 0ei~k·~r−iωt, 鲡>^ŵE =⇒ ~ =B ~ 0ei~k·~r−iωt, B µ ~ k, i ω ´o¥þ c ~ 0 ik·~ Fµν = Fµν e r−iωt 0 ~ 0 du Fµν ´oÜþ§3,.5XµFµν = aµλaντ Fλτ = aµλaντ Fλτ eik·~r−iωt | {z } 00 Fµν E Æ ÔnX Mï 12 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ê!oÅ¥þ Doppler A l²;寥µ Å C* ö§* öÿªÇo´puÅ éu* ö·ÿªÇ Å l* ö§* öÿªÇo´$uÅ éu* ö·ÿªÇ 3騥9ØÓ.5XmªÇC'X§oÅ¥þ¯K" i ~ kµ = k, ω ´o¥þ c (1) lþfåÆÝw l (2) ~ = ~~ 1fÄþ p k§1fUþµW = ~ω i i ~, W = ~ ~ üö¤oÄþ¥þµPµ = p k, ω c c l²¡>^Å>^|Üþw ~ =E ~ 0ei~k·~r−iωt, 鲡>^ŵE =⇒ ~ =B ~ 0ei~k·~r−iωt, B µ ~ k, i ω ´o¥þ c ~ 0 ik·~ Fµν = Fµν e r−iωt 0 ~ 0 du Fµν ´oÜþ§3,.5XµFµν = aµλaντ Fλτ = aµλaντ Fλτ eik·~r−iωt | {z } 00 0 0 0 i~ k·~ r −iωt F µν =µF = F e µν E Æ ÔnX µν Mï 12 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ê!oÅ¥þ Doppler A l²;寥µ Å C* ö§* öÿªÇo´puÅ éu* ö·ÿªÇ Å l* ö§* öÿªÇo´$uÅ éu* ö·ÿªÇ 3騥9ØÓ.5XmªÇC'X§oÅ¥þ¯K" i ~ kµ = k, ω ´o¥þ c (1) lþfåÆÝw l (2) ~ = ~~ 1fÄþ p k§1fUþµW = ~ω i i ~, W = ~ ~ üö¤oÄþ¥þµPµ = p k, ω c c l²¡>^Å>^|Üþw ~ =E ~ 0ei~k·~r−iωt, 鲡>^ŵE =⇒ ~ =B ~ 0ei~k·~r−iωt, B µ ~ k, i ω ´o¥þ c ~ 0 ik·~ Fµν = Fµν e r−iωt 0 ~ 0 du Fµν ´oÜþ§3,.5XµFµν = aµλaντ Fλτ = aµλaντ Fλτ eik·~r−iωt | {z } 00 0 0 0 i~ k·~ r −iωt −1 0 0 F µν =µF = F e |^µx = [a ] x = a x µν E Æ ÔnX µν µ µν nu νµ ν Mï 12 Let there be light (2) E ²;>Ä寨 1ÔÙµdÂéØ § 8.6 l²¡>^Å>^|Üþw (Y) Æ ÔnX Mï 13 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (2) l²¡>^Å>^|Üþw (Y) ~ 0 0 0 ik·~ =µFµν = Fµν e r−iωt E Æ ÔnX Mï 13 Let there be light (2) l²¡>^Å>^|Üþw (Y) ~ 0 0 0 ik·~ =µFµν = Fµν e r−iωt E Æ ÔnX ²;>Ä寨 1ÔÙµdÂéØ § 8.6 |^µxµ = [a−1]µν x0nu = aνµx0ν x = γ(x0 + vt0) 0 y=y 0 = z = z βx0 t=γ t+ c Mï 13 Let there be light (2) l²¡>^Å>^|Üþw (Y) ~ 0 0 0 ik·~ =µFµν = Fµν e r−iωt ~0 0 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 |^µxµ = [a−1]µν x0nu = aνµx0ν x = γ(x0 + vt0) 0 y=y 0 = z = z βx0 t=γ t+ c 0 0 0 0 0 ik ·~ Fµν = Fµν e r −iω t E Æ ÔnX Mï 13 Let there be light (2) l²¡>^Å>^|Üþw (Y) ~ 0 0 0 ik·~ =µFµν = Fµν e r−iωt ~0 0 0 0 0 0 0 ik ·~ Fµν = Fµν e r −iω t E Æ ÔnX ²;>Ä寨 1ÔÙµdÂéØ § 8.6 |^µxµ = [a−1]µν x0nu = aνµx0ν ω 0 kx = γ kx − β , c 0 ky = ky , Ù¥µ kz0 = kz , ω 0 = γ(ω − vk ) x x = γ(x0 + vt0) 0 y=y 0 = z = z βx0 t=γ t+ c Mï 13 Let there be light (2) l²¡>^Å>^|Üþw (Y) ~ 0 0 0 ik·~ =µFµν = Fµν e r−iωt ~0 0 0 0 0 0 0 ik ·~ Fµν = Fµν e r −iω t E Æ ÔnX ²;>Ä寨 1ÔÙµdÂéØ § 8.6 |^µxµ = [a−1]µν x0nu = aνµx0ν ω 0 kx = γ kx − β , c 0 ky = ky , Ù¥µ kz0 = kz , ω 0 = γ(ω − vk ) x x = γ(x0 + vt0) 0 y=y 0 = z = z βx0 t=γ t+ c =⇒ kµ0 = aµν kν i ku = ~ k, ω c Mï 13 Let there be light (2) l²¡>^Å>^|Üþw (Y) ~ 0 0 0 ik·~ =µFµν = Fµν e r−iωt ~0 0 0 0 0 0 0 ik ·~ Fµν = Fµν e r −iω t (3) E ²;>Ä寨 1ÔÙµdÂéØ § 8.6 |^µxµ = [a−1]µν x0nu = aνµx0ν ω 0 kx = γ kx − β , c 0 ky = ky , Ù¥µ kz0 = kz , ω 0 = γ(ω − vk ) x x = γ(x0 + vt0) 0 y=y 0 = z = z βx0 t=γ t+ c =⇒ kµ0 = aµν kν i ku = ~ k, ω c l{üÔn¯~w Æ ÔnX Mï 13 Let there be light (2) l²¡>^Å>^|Üþw (Y) ~ 0 0 0 ik·~ =µFµν = Fµν e r−iωt ~0 0 0 0 0 0 0 ik ·~ Fµν = Fµν e r −iω t (3) E ²;>Ä寨 1ÔÙµdÂéØ § 8.6 |^µxµ = [a−1]µν x0nu = aνµx0ν ω 0 kx = γ kx − β , c 0 ky = ky , Ù¥µ kz0 = kz , ω 0 = γ(ω − vk ) x x = γ(x0 + vt0) 0 y=y 0 = z = z βx0 t=γ t+ c =⇒ kµ0 = aµν kν i ku = ~ k, ω c l{üÔn¯~w Æ ÔnX Mï 13 Let there be light (2) l²¡>^Å>^|Üþw (Y) ~ 0 0 0 ik·~ =µFµν = Fµν e r−iωt ~0 0 0 0 0 0 0 ik ·~ Fµν = Fµν e r −iω t (3) ²;>Ä寨 1ÔÙµdÂéØ § 8.6 |^µxµ = [a−1]µν x0nu = aνµx0ν ω 0 kx = γ kx − β , c 0 ky = ky , Ù¥µ kz0 = kz , ω 0 = γ(ω − vk ) x x = γ(x0 + vt0) 0 y=y 0 = z = z βx0 t=γ t+ c =⇒ kµ0 = aµν kν i ku = ~ k, ω c l{üÔn¯~w S 0 éu S X±Ý v ÷ +x $ħt = t0 = 0 :Ü ²¡>^ŵϕ = ϕ0 cos(kx − ωt) E Æ ÔnX Mï 13 Let there be light (2) l²¡>^Å>^|Üþw (Y) ~ 0 0 0 ik·~ =µFµν = Fµν e r−iωt ~0 0 0 0 0 0 0 ik ·~ Fµν = Fµν e r −iω t (3) ²;>Ä寨 1ÔÙµdÂéØ § 8.6 |^µxµ = [a−1]µν x0nu = aνµx0ν ω 0 kx = γ kx − β , c 0 ky = ky , Ù¥µ kz0 = kz , ω 0 = γ(ω − vk ) x x = γ(x0 + vt0) 0 y=y 0 = z = z βx0 t=γ t+ c =⇒ kµ0 = aµν kν i ku = ~ k, ω c l{üÔn¯~w S 0 éu S X±Ý v ÷ +x $ħt = t0 = 0 :Ü ²¡>^ŵϕ = ϕ0 cos(kx − ωt) Ÿ A S X:¯ A§Å¸ B S X:¯ B E Æ ÔnX Mï 13 Let there be light (2) l²¡>^Å>^|Üþw (Y) ~ 0 0 0 ik·~ =µFµν = Fµν e r−iωt ~0 0 0 0 0 0 0 ik ·~ Fµν = Fµν e r −iω t (3) ²;>Ä寨 1ÔÙµdÂéØ § 8.6 |^µxµ = [a−1]µν x0nu = aνµx0ν ω 0 kx = γ kx − β , c 0 ky = ky , Ù¥µ kz0 = kz , ω 0 = γ(ω − vk ) x x = γ(x0 + vt0) 0 y=y 0 = z = z βx0 t=γ t+ c =⇒ kµ0 = aµν kν i ku = ~ k, ω c l{üÔn¯~w S 0 éu S X±Ý v ÷ +x $ħt = t0 = 0 :Ü ²¡>^ŵϕ = ϕ0 cos(kx − ωt) Ÿ A S X:¯ A§Å¸ B S X:¯ B ¯ A Iµ(x = x0 = 0, t = t0 = 0) ¯ B Iµ(x = 0, t = T )§(x0, t0) E Æ ÔnX Mï 13 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (2) l²¡>^Å>^|Üþw (Y) ~ 0 0 0 ik·~ =µFµν = Fµν e r−iωt ~0 0 0 0 0 0 0 ik ·~ Fµν = Fµν e r −iω t (3) |^µxµ = [a−1]µν x0nu = aνµx0ν ω 0 kx = γ kx − β , c 0 ky = ky , Ù¥µ kz0 = kz , ω 0 = γ(ω − vk ) x x = γ(x0 + vt0) 0 y=y 0 = z = z βx0 t=γ t+ c =⇒ kµ0 = aµν kν i ku = ~ k, ω c l{üÔn¯~w S 0 éu S X±Ý v ÷ +x $ħt = t0 = 0 :Ü ²¡>^ŵϕ = ϕ0 cos(kx − ωt) Ÿ A S X:¯ A§Å¸ B S X:¯ B ¯ A Iµ(x = x0 = 0, t = t0 = 0) ¯ B Iµ(x = 0, t = T )§(x0, t0) 3 S X§¯ B éA>^Å E Æ ÔnX µkx − ωt = −ωT = −2π Mï 13 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (2) l²¡>^Å>^|Üþw (Y) ~ 0 0 0 ik·~ =µFµν = Fµν e r−iωt ~0 0 0 0 0 0 0 ik ·~ Fµν = Fµν e r −iω t (3) |^µxµ = [a−1]µν x0nu = aνµx0ν ω 0 kx = γ kx − β , c 0 ky = ky , Ù¥µ kz0 = kz , ω 0 = γ(ω − vk ) x x = γ(x0 + vt0) 0 y=y 0 = z = z βx0 t=γ t+ c =⇒ kµ0 = aµν kν i ku = ~ k, ω c l{üÔn¯~w S 0 éu S X±Ý v ÷ +x $ħt = t0 = 0 :Ü ²¡>^ŵϕ = ϕ0 cos(kx − ωt) Ÿ A S X:¯ A§Å¸ B S X:¯ B ¯ A Iµ(x = x0 = 0, t = t0 = 0) ¯ B Iµ(x = 0, t = T )§(x0, t0) 3 S X§¯ B éA>^Å µkx − ωt = −ωT = −2π 3 S 0 X§¯ B éA>^Å µk0x0 − ω 0t0 E Æ ÔnX Mï 13 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (2) l²¡>^Å>^|Üþw (Y) ~ 0 0 0 ik·~ =µFµν = Fµν e r−iωt ~0 0 0 0 0 0 0 ik ·~ Fµν = Fµν e r −iω t (3) |^µxµ = [a−1]µν x0nu = aνµx0ν ω 0 kx = γ kx − β , c 0 ky = ky , Ù¥µ kz0 = kz , ω 0 = γ(ω − vk ) x x = γ(x0 + vt0) 0 y=y 0 = z = z βx0 t=γ t+ c =⇒ kµ0 = aµν kν i ku = ~ k, ω c l{üÔn¯~w S 0 éu S X±Ý v ÷ +x $ħt = t0 = 0 :Ü ²¡>^ŵϕ = ϕ0 cos(kx − ωt) Ÿ A S X:¯ A§Å¸ B S X:¯ B ¯ A Iµ(x = x0 = 0, t = t0 = 0) ¯ B Iµ(x = 0, t = T )§(x0, t0) 3 S X§¯ B éA>^Å µkx − ωt = −ωT = −2π 3 S 0 X§¯ B éA>^Å µk0x0 − ω 0t0 3 S 0 X* E Æ ÔnX §¯ B u)§Å¸ A ® A0 : Mï 13 Let there be light (3) E ²;>Ä寨 1ÔÙµdÂéØ § 8.6 l{üÔn¯~w (Y) Æ ÔnX Mï 14 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) l{üÔn¯~w (Y) S X§¯ B éA E Æ ÔnX kx − ωt = −2π S 0 X§¯ B éA k0x0 − ω 0t0 Mï 14 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) l{üÔn¯~w (Y) S X§¯ B éA 3 S 0 X* E Æ ÔnX kx − ωt = −2π S 0 X§¯ B éA k0x0 − ω 0t0 §¯ B u)§Å¸ A ® A0 : Mï 14 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) l{üÔn¯~w (Y) S X§¯ B éA 3 S 0 X* kx − ωt = −2π S 0 X§¯ B éA k0x0 − ω 0t0 §¯ B u)§Å¸ A ® A0 : >^ÅÅüŸmmå E Æ ÔnX Mï 14 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) l{üÔn¯~w (Y) S X§¯ B éA 3 S 0 X* kx − ωt = −2π S 0 X§¯ B éA k0x0 − ω 0t0 §¯ B u)§Å¸ A ® A0 : >^ÅÅüŸmmå E 3 S 0 X* §Å λ0 = OO 0 + O 0A0 = vt0 + ct0 d?|^ >^Å3?Û.5XÝÑ c§ O 0A0 = ct0 Æ ÔnX Mï 14 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) l{üÔn¯~w (Y) S X§¯ B éA 3 S 0 X* kx − ωt = −2π S 0 X§¯ B éA k0x0 − ω 0t0 §¯ B u)§Å¸ A ® A0 : >^ÅÅüŸmmå 3 S 0 X* §Å λ0 = OO 0 + O 0A0 = vt0 + ct0 d?|^ >^Å3?Û.5XÝÑ c§ O 0A0 = ct0 λ0 = 2πc/ω 0 E Æ ÔnX =⇒ 0 0 2πc/ω λ = t0 = v+c v+c Mï 14 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) l{üÔn¯~w (Y) S X§¯ B éA 3 S 0 X* kx − ωt = −2π S 0 X§¯ B éA k0x0 − ω 0t0 §¯ B u)§Å¸ A ® A0 : >^ÅÅüŸmmå 3 S 0 X* §Å λ0 = OO 0 + O 0A0 = vt0 + ct0 d?|^ >^Å3?Û.5XÝÑ c§ O 0A0 = ct0 0 0 2πc/ω λ = λ0 = 2πc/ω 0 =⇒ t0 = v+c v+c 0 2πvc/ω x0 = −OO 0 = −vt0 = − v+c E Æ ÔnX Mï 14 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) l{üÔn¯~w (Y) S X§¯ B éA 3 S 0 X* kx − ωt = −2π S 0 X§¯ B éA k0x0 − ω 0t0 §¯ B u)§Å¸ A ® A0 : >^ÅÅüŸmmå 3 S 0 X* §Å λ0 = OO 0 + O 0A0 = vt0 + ct0 d?|^ >^Å3?Û.5XÝÑ c§ O 0A0 = ct0 0 0 2πc/ω λ = λ0 = 2πc/ω 0 =⇒ t0 = v+c v+c 0 2πvc/ω x0 = −OO 0 = −vt0 = − v+c x0, t0 \ k0x0 − ω 0t0 ¿|^ k0 = ω 0/c =⇒ E Æ ÔnX k0x0 − ω 0t0 = −2π Mï 14 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) l{üÔn¯~w (Y) S X§¯ B éA 3 S 0 X* kx − ωt = −2π S 0 X§¯ B éA k0x0 − ω 0t0 §¯ B u)§Å¸ A ® A0 : >^ÅÅüŸmmå 3 S 0 X* §Å λ0 = OO 0 + O 0A0 = vt0 + ct0 d?|^ >^Å3?Û.5XÝÑ c§ O 0A0 = ct0 0 0 2πc/ω λ = λ0 = 2πc/ω 0 =⇒ t0 = v+c v+c 0 2πvc/ω x0 = −OO 0 = −vt0 = − v+c x0, t0 \ k0x0 − ω 0t0 ¿|^ k0 = ω 0/c =⇒ =µ¯ B éA>^Å E Æ ÔnX k0x0 − ω 0t0 = −2π é S Ú S 0 XÑ´ −2π § kx − ωt ´ØCþ Mï 14 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) l{üÔn¯~w (Y) S X§¯ B éA 3 S 0 X* kx − ωt = −2π S 0 X§¯ B éA k0x0 − ω 0t0 §¯ B u)§Å¸ A ® A0 : >^ÅÅüŸmmå 3 S 0 X* §Å λ0 = OO 0 + O 0A0 = vt0 + ct0 d?|^ >^Å3?Û.5XÝÑ c§ O 0A0 = ct0 0 0 2πc/ω λ = λ0 = 2πc/ω 0 =⇒ t0 = v+c v+c 0 2πvc/ω x0 = −OO 0 = −vt0 = − v+c x0, t0 \ k0x0 − ω 0t0 ¿|^ k0 = ω 0/c =⇒ =µ¯ B éA>^Å µkx − ωt = kµxµ, E Æ ÔnX k0x0 − ω 0t0 = −2π é S Ú S 0 XÑ´ −2π § kx − ωt ´ØCþ xµ ´o¥þ§kµxµ ´oIþ =⇒ kµ 7o¥þ" Mï 14 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) l{üÔn¯~w (Y) S X§¯ B éA 3 S 0 X* kx − ωt = −2π S 0 X§¯ B éA k0x0 − ω 0t0 §¯ B u)§Å¸ A ® A0 : >^ÅÅüŸmmå 3 S 0 X* §Å λ0 = OO 0 + O 0A0 = vt0 + ct0 d?|^ >^Å3?Û.5XÝÑ c§ O 0A0 = ct0 0 0 2πc/ω λ = λ0 = 2πc/ω 0 =⇒ t0 = v+c v+c 0 2πvc/ω x0 = −OO 0 = −vt0 = − v+c x0, t0 \ k0x0 − ω 0t0 ¿|^ k0 = ω 0/c =⇒ =µ¯ B éA>^Å µkx − ωt = kµxµ, lþ©Û§ E Æ ÔnX k0x0 − ω 0t0 = −2π é S Ú S 0 XÑ´ −2π § kx − ωt ´ØCþ xµ ´o¥þ§kµxµ ´oIþ =⇒ kµ 7o¥þ" ØC55g1ØC" Mï 14 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) l{üÔn¯~w (Y) S X§¯ B éA 3 S 0 X* kx − ωt = −2π S 0 X§¯ B éA k0x0 − ω 0t0 §¯ B u)§Å¸ A ® A0 : >^ÅÅüŸmmå 3 S 0 X* §Å λ0 = OO 0 + O 0A0 = vt0 + ct0 d?|^ >^Å3?Û.5XÝÑ c§ O 0A0 = ct0 0 0 2πc/ω λ = λ0 = 2πc/ω 0 =⇒ t0 = v+c v+c 0 2πvc/ω x0 = −OO 0 = −vt0 = − v+c x0, t0 \ k0x0 − ω 0t0 ¿|^ k0 = ω 0/c =⇒ =µ¯ B éA>^Å µkx − ωt = kµxµ, lþ©Û§ , E Æ é S Ú S 0 XÑ´ −2π § kx − ωt ´ØCþ xµ ´o¥þ§kµxµ ´oIþ =⇒ kµ 7o¥þ" ØC55g1ØC" §3 S X§¯ A, B u)uÓ/§Ùmm ÔnX k0x0 − ω 0t0 = −2π §=>^Å±Ï T 7,´k Mï 14 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) l{üÔn¯~w (Y) S X§¯ B éA 3 S 0 X* kx − ωt = −2π S 0 X§¯ B éA k0x0 − ω 0t0 §¯ B u)§Å¸ A ® A0 : >^ÅÅüŸmmå 3 S 0 X* §Å λ0 = OO 0 + O 0A0 = vt0 + ct0 d?|^ >^Å3?Û.5XÝÑ c§ O 0A0 = ct0 0 0 2πc/ω λ = λ0 = 2πc/ω 0 =⇒ t0 = v+c v+c 0 2πvc/ω x0 = −OO 0 = −vt0 = − v+c x0, t0 \ k0x0 − ω 0t0 ¿|^ k0 = ω 0/c =⇒ =µ¯ B éA>^Å µkx − ωt = kµxµ, lþ©Û§ , é S Ú S 0 XÑ´ −2π § Æ kµ 7o¥þ" ØC55g1ØC" §3 S X§¯ A, B u)uÓ/§Ùmm ÔnX kx − ωt ´ØCþ xµ ´o¥þ§kµxµ ´oIþ =⇒ 3 S 0 X§¯ A, B u)uÉ/§Ùmm E k0x0 − ω 0t0 = −2π §=>^Å±Ï T 7,´k t0 7,´$Ämµ Mï 14 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) l{üÔn¯~w (Y) S X§¯ B éA 3 S 0 X* kx − ωt = −2π S 0 X§¯ B éA k0x0 − ω 0t0 §¯ B u)§Å¸ A ® A0 : >^ÅÅüŸmmå 3 S 0 X* §Å λ0 = OO 0 + O 0A0 = vt0 + ct0 d?|^ >^Å3?Û.5XÝÑ c§ O 0A0 = ct0 0 0 2πc/ω λ = λ0 = 2πc/ω 0 =⇒ t0 = v+c v+c 0 2πvc/ω x0 = −OO 0 = −vt0 = − v+c x0, t0 \ k0x0 − ω 0t0 ¿|^ k0 = ω 0/c =⇒ =µ¯ B éA>^Å µkx − ωt = kµxµ, lþ©Û§ , é S Ú S 0 XÑ´ −2π § Æ kµ 7o¥þ" ØC55g1ØC" §3 S X§¯ A, B u)uÓ/§Ùmm ÔnX kx − ωt ´ØCþ xµ ´o¥þ§kµxµ ´oIþ =⇒ 3 S 0 X§¯ A, B u)uÉ/§Ùmm E k0x0 − ω 0t0 = −2π §=>^Å±Ï T 7,´k t0 7,´$Ämµt0 = γT = γ Mï 2π ω 14 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) l{üÔn¯~w (Y) S X§¯ B éA 3 S 0 X* kx − ωt = −2π S 0 X§¯ B éA k0x0 − ω 0t0 §¯ B u)§Å¸ A ® A0 : >^ÅÅüŸmmå 3 S 0 X* §Å λ0 = OO 0 + O 0A0 = vt0 + ct0 d?|^ >^Å3?Û.5XÝÑ c§ O 0A0 = ct0 0 0 2πc/ω λ = λ0 = 2πc/ω 0 =⇒ t0 = v+c v+c 0 2πvc/ω x0 = −OO 0 = −vt0 = − v+c x0, t0 \ k0x0 − ω 0t0 ¿|^ k0 = ω 0/c =⇒ =µ¯ B éA>^Å µkx − ωt = kµxµ, lþ©Û§ , k0x0 − ω 0t0 = −2π é S Ú S 0 XÑ´ −2π § kx − ωt ´ØCþ xµ ´o¥þ§kµxµ ´oIþ =⇒ kµ 7o¥þ" ØC55g1ØC" §3 S X§¯ A, B u)uÓ/§Ùmm 3 S 0 X§¯ A, B u)uÉ/§Ùmm §=>^Å±Ï T 7,´k t0 7,´$Ämµt0 = γT = γ 0 0 λ 2πc/ω éá t0 = = µω 0 = γω(1 − v/c) = γ(ω − vk) v+c v+c E Æ ÔnX Mï 2π ω 14 Let there be light ²;>Ä寨 1ÔÙµdÂéØ § 8.6 i ~ Q, kµ = k, ω ´o¥þ§Kkµkµ0 = aµν kν c E Æ ÔnX Mï 15 Let there be light ²;>Ä寨 1ÔÙµdÂéØ § 8.6 i ~ Q, kµ = k, ω ´o¥þ§Kkµkµ0 = aµν kν c S Ú S 0 AÏ'.5X 3 S 0 X¥§~k0 x0 ¶¤ θ0 §3 S X¥§~k x ¶¤ θ §K kx = k cos θ ky = k sin θ kx0 = k 0 cos θ0 ky0 = k 0 sin θ E Æ ÔnX \ kµ0 = aµν kν µ Mï 15 Let there be light ²;>Ä寨 1ÔÙµdÂéØ § 8.6 i ~ Q, kµ = k, ω ´o¥þ§Kkµkµ0 = aµν kν c S Ú S 0 AÏ'.5X 3 S 0 X¥§~k0 x0 ¶¤ θ0 §3 S X¥§~k x ¶¤ θ §K kx = k cos θ ky = k sin θ kx0 = k 0 cos θ0 ky0 = k 0 sin θ \ kµ0 = aµν kν µ i 0 i ω =γ ω − iβkx c c E Æ ÔnX Mï 15 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light i ~ Q, kµ = k, ω ´o¥þ§Kkµkµ0 = aµν kν c S Ú S 0 AÏ'.5X 3 S 0 X¥§~k0 x0 ¶¤ θ0 §3 S X¥§~k x ¶¤ θ §K kx = k cos θ ky = k sin θ kx0 = k 0 cos θ0 ky0 = k 0 sin θ \ kµ0 = aµν kν µ i 0 i ω =γ ω − iβkx =⇒ ω 0 = γ ω(1 − β cos θ) c c E Æ ÔnX Mï 15 Let there be light ²;>Ä寨 1ÔÙµdÂéØ § 8.6 i ~ Q, kµ = k, ω ´o¥þ§Kkµkµ0 = aµν kν c S Ú S 0 AÏ'.5X 3 S 0 X¥§~k0 x0 ¶¤ θ0 §3 S X¥§~k x ¶¤ θ §K kx = k cos θ ky = k sin θ kx0 = k 0 cos θ0 ky0 = k 0 sin θ \ kµ0 = aµν kν µ i 0 i ω =γ ω − iβkx =⇒ ω 0 = γ ω(1 − β cos θ) =⇒ c c E Æ ÔnX ω0 ω= γ(1 − β cos θ) Mï 15 Let there be light ²;>Ä寨 1ÔÙµdÂéØ § 8.6 i ~ Q, kµ = k, ω ´o¥þ§Kkµkµ0 = aµν kν c S Ú S 0 AÏ'.5X 3 S 0 X¥§~k0 x0 ¶¤ θ0 §3 S X¥§~k x ¶¤ θ §K kx = k cos θ ky = k sin θ kx0 = k 0 cos θ0 ky0 = k 0 sin θ \ kµ0 = aµν kν µ i 0 i ω =γ ω − iβkx =⇒ ω 0 = γ ω(1 − β cos θ) =⇒ c c ω0 ω= γ(1 − β cos θ) 0 ω e3 S 0 X¥1 ·§K f 0 = = f0 ¡ kªÇ§þªL² 2π ω 3éu1 $Ä S X¥§f = 6= f0 éØ Doppler A 2π E Æ ÔnX Mï 15 Let there be light ²;>Ä寨 1ÔÙµdÂéØ § 8.6 i ~ Q, kµ = k, ω ´o¥þ§Kkµkµ0 = aµν kν c S Ú S 0 AÏ'.5X 3 S 0 X¥§~k0 x0 ¶¤ θ0 §3 S X¥§~k x ¶¤ θ §K kx = k cos θ ky = k sin θ kx0 = k 0 cos θ0 ky0 = k 0 sin θ \ kµ0 = aµν kν µ i 0 i ω =γ ω − iβkx =⇒ ω 0 = γ ω(1 − β cos θ) =⇒ c c ω0 ω= γ(1 − β cos θ) 0 ω e3 S 0 X¥1 ·§K f 0 = = f0 ¡ kªÇ§þªL² 2π ω 3éu1 $Ä S X¥§f = 6= f0 éØ Doppler A 2π ?Ø E Æ ÔnX Mï 15 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light i ~ Q, kµ = k, ω ´o¥þ§Kkµkµ0 = aµν kν c S Ú S 0 AÏ'.5X 3 S 0 X¥§~k0 x0 ¶¤ θ0 §3 S X¥§~k x ¶¤ θ §K kx = k cos θ ky = k sin θ kx0 = k 0 cos θ0 ky0 = k 0 sin θ \ kµ0 = aµν kν µ i 0 i ω =γ ω − iβkx =⇒ ω 0 = γ ω(1 − β cos θ) =⇒ c c ω0 ω= γ(1 − β cos θ) 0 ω e3 S 0 X¥1 ·§K f 0 = = f0 ¡ kªÇ§þªL² 2π ω 3éu1 $Ä S X¥§f = 6= f0 éØ Doppler A 2π ?Ø s (1) E Æ f0 1+β e3 S X θ = 0§K f = = f0 > f0 γ(1 − β) 1−β ¡b£§=1 * öCªÇu)b£ ÔnX Mï 15 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light i ~ Q, kµ = k, ω ´o¥þ§Kkµkµ0 = aµν kν c S Ú S 0 AÏ'.5X 3 S 0 X¥§~k0 x0 ¶¤ θ0 §3 S X¥§~k x ¶¤ θ §K kx = k cos θ ky = k sin θ kx0 = k 0 cos θ0 ky0 = k 0 sin θ \ kµ0 = aµν kν µ i 0 i ω =γ ω − iβkx =⇒ ω 0 = γ ω(1 − β cos θ) =⇒ c c ω0 ω= γ(1 − β cos θ) 0 ω e3 S 0 X¥1 ·§K f 0 = = f0 ¡ kªÇ§þªL² 2π ω 3éu1 $Ä S X¥§f = 6= f0 éØ Doppler A 2π ?Ø s (1) (2) E Æ f0 1+β e3 S X θ = 0§K f = = f0 > f0 γ(1 − β) 1−β ¡b£§=1 * öCªÇu)b£ s 1−β e θ = π §K f = f0 < f0"1 l* öªÇu)ù£ 1+β ÔnX Mï 15 Let there be light (3) E e θ = π/2§K f = f0/γ µRu1 $Ä* Æ ÔnX ²;>Ä寨 1ÔÙµdÂéØ § 8.6 ù£ î Doppler A Mï 16 Let there be light (3) e θ = π/2§K f = f0/γ µRu1 $Ä* ²;>Ä寨 1ÔÙµdÂéØ § 8.6 ù£ î Doppler A3²;Ôn¥Ø3§Ïd´éØmò E Æ ÔnX î Doppler A Ayâ" Mï 16 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) e θ = π/2§K f = f0/γ µRu1 $Ä* ù£ î Doppler A3²;Ôn¥Ø3§Ïd´éØmò (4) E Û θ = 0 éAu1 Æ ÔnX C* ö§θ = π 7,éAu1 î Doppler A Ayâ" l* öíº Mï 16 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) e θ = π/2§K f = f0/γ µRu1 $Ä* ù£ î Doppler A3²;Ôn¥Ø3§Ïd´éØmò C* (4) Û θ = 0 éAu1 (5) 3ØÓ.5X§±* E Æ ÔnX ö§θ = π 7,éAu1 î Doppler A Ayâ" l* öíº ØÓD Mï 16 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) e θ = π/2§K f = f0/γ µRu1 $Ä* ù£ î Doppler A3²;Ôn¥Ø3§Ïd´éØmò C* Ayâ" (4) Û θ = 0 éAu1 (5) 3ØÓ.5X§±* ØÓD β 0 0 0 kx = k cos θ = γ k cos θ − ω c 0 0 0 0 d kµ0 = aµν kν k sin θ = k sin θ, k = ω /c, k = ω/c 0 ω = γ(ω − βk cos θ) = γ(ω − ωβ cos θ) E Æ ÔnX ö§θ = π 7,éAu1 î Doppler A l* öíº ) Mï 16 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) e θ = π/2§K f = f0/γ µRu1 $Ä* ù£ î Doppler A3²;Ôn¥Ø3§Ïd´éØmò C* î Doppler A Ayâ" (4) Û θ = 0 éAu1 (5) 3ØÓ.5X§±* ØÓD β 0 0 0 kx = k cos θ = γ k cos θ − ω c 0 0 0 0 d kµ0 = aµν kν ) k sin θ = k sin θ, k = ω /c, k = ω/c 0 ω = γ(ω − βk cos θ) = γ(ω − ωβ cos θ) ω ω ω −β + cos θ 0 0 cos θ = γ cos θ − β =⇒ cos θ = c c c 1 − β cos θ ω ω sin θ ω0 sin θ 0 = sin θ =⇒ sin θ 0 = 0 sin θ = c c ω γ(1 − β cos θ) E Æ ÔnX ö§θ = π 7,éAu1 l* öíº Mï 16 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) e θ = π/2§K f = f0/γ µRu1 $Ä* ù£ î Doppler A3²;Ôn¥Ø3§Ïd´éØmò C* î Doppler A Ayâ" (4) Û θ = 0 éAu1 (5) 3ØÓ.5X§±* ØÓD β 0 0 0 kx = k cos θ = γ k cos θ − ω c 0 0 0 0 d kµ0 = aµν kν ) k sin θ = k sin θ, k = ω /c, k = ω/c 0 ω = γ(ω − βk cos θ) = γ(ω − ωβ cos θ) ω ω ω −β + cos θ 0 0 cos θ = γ cos θ − β =⇒ cos θ = c c c 1 − β cos θ ω ω sin θ ω0 sin θ 0 = sin θ =⇒ sin θ 0 = 0 sin θ = c c ω γ(1 − β cos θ) =⇒ E Æ ö§θ = π 7,éAu1 sin θ tan θ = γ(cos θ − β) ÔnX 0 11 l* öíº úª Mï 16 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) e θ = π/2§K f = f0/γ µRu1 $Ä* ù£ î Doppler A3²;Ôn¥Ø3§Ïd´éØmò C* î Doppler A Ayâ" (4) Û θ = 0 éAu1 (5) 3ØÓ.5X§±* ØÓD β 0 0 0 kx = k cos θ = γ k cos θ − ω c 0 0 0 0 d kµ0 = aµν kν ) k sin θ = k sin θ, k = ω /c, k = ω/c 0 ω = γ(ω − βk cos θ) = γ(ω − ωβ cos θ) ω ω ω −β + cos θ 0 0 cos θ = γ cos θ − β =⇒ cos θ = c c c 1 − β cos θ ω ω sin θ ω0 sin θ 0 = sin θ =⇒ sin θ 0 = 0 sin θ = c c ω γ(1 − β cos θ) =⇒ E Æ ö§θ = π 7,éAu1 sin θ tan θ = γ(cos θ − β) ÔnX 0 11 l* öíº úª Mï 16 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) e θ = π/2§K f = f0/γ µRu1 $Ä* ù£ î Doppler A3²;Ôn¥Ø3§Ïd´éØmò C* î Doppler A Ayâ" (4) Û θ = 0 éAu1 (5) 3ØÓ.5X§±* ØÓD β 0 0 0 kx = k cos θ = γ k cos θ − ω c 0 0 0 0 d kµ0 = aµν kν ) k sin θ = k sin θ, k = ω /c, k = ω/c 0 ω = γ(ω − βk cos θ) = γ(ω − ωβ cos θ) ω ω ω −β + cos θ 0 0 cos θ = γ cos θ − β =⇒ cos θ = c c c 1 − β cos θ ω ω sin θ ω0 sin θ 0 = sin θ =⇒ sin θ 0 = 0 sin θ = c c ω γ(1 − β cos θ) =⇒ ö§θ = π 7,éAu1 sin θ tan θ = γ(cos θ − β) 0 11 l* öíº úª X S ¥,ð(u1§/¥éu S Ý v 3X.5X* E Æ ÔnX α = π − θ Mï 16 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) e θ = π/2§K f = f0/γ µRu1 $Ä* ù£ î Doppler A3²;Ôn¥Ø3§Ïd´éØmò C* î Doppler A Ayâ" (4) Û θ = 0 éAu1 (5) 3ØÓ.5X§±* ØÓD β 0 0 0 kx = k cos θ = γ k cos θ − ω c 0 0 0 0 d kµ0 = aµν kν ) k sin θ = k sin θ, k = ω /c, k = ω/c 0 ω = γ(ω − βk cos θ) = γ(ω − ωβ cos θ) ω ω ω −β + cos θ 0 0 cos θ = γ cos θ − β =⇒ cos θ = c c c 1 − β cos θ ω ω sin θ ω0 sin θ 0 = sin θ =⇒ sin θ 0 = 0 sin θ = c c ω γ(1 − β cos θ) =⇒ ö§θ = π 7,éAu1 sin θ tan θ = γ(cos θ − β) 0 11 l* öíº úª X S ¥,ð(u1§/¥éu S Ý v 3X.5X* 3/¥.5X* E Æ ÔnX α = π − θ α0 = π − θ 0 Mï 16 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light (3) e θ = π/2§K f = f0/γ µRu1 $Ä* ù£ î Doppler A3²;Ôn¥Ø3§Ïd´éØmò C* î Doppler A Ayâ" (4) Û θ = 0 éAu1 (5) 3ØÓ.5X§±* ØÓD β 0 0 0 kx = k cos θ = γ k cos θ − ω c 0 0 0 0 d kµ0 = aµν kν ) k sin θ = k sin θ, k = ω /c, k = ω/c 0 ω = γ(ω − βk cos θ) = γ(ω − ωβ cos θ) ω ω ω −β + cos θ 0 0 cos θ = γ cos θ − β =⇒ cos θ = c c c 1 − β cos θ ω ω sin θ ω0 sin θ 0 = sin θ =⇒ sin θ 0 = 0 sin θ = c c ω γ(1 − β cos θ) =⇒ ö§θ = π 7,éAu1 sin θ tan θ = γ(cos θ − β) 0 11 l* öíº úª X S ¥,ð(u1§/¥éu S Ý v 3X.5X* 3/¥.5X* α = π − θ α0 = π − θ 0 sin α sin α tan α = ≈ , γ(cos α + β) cos α + β 0 E Æ ÔnX /¥ú=§* 5g Óð(1±ÏCz" Mï 16 Let there be light ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Ainsi, toujours poussées vers de nouveaux rivages, Dans la nuit éternelle emportés sans retour, Ne pourrons-nous jamais sur l’ocean des ages§ Jeter l’ancre un seul jour? E Æ ÔnX Mï 17 Let there be light ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Ainsi, toujours poussées vers de nouveaux rivages, Dans la nuit éternelle emportés sans retour, Ne pourrons-nous jamais sur l’ocean des ages§ Jeter l’ancre un seul jour? As we are pushed toward new shores, Swept along to the eternal night without return, Can we ever on the ocean of the ages Let the anchor down for one day? E Æ ÔnX Mï 17 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ainsi, toujours poussées vers de nouveaux rivages, Dans la nuit éternelle emportés sans retour, Ne pourrons-nous jamais sur l’ocean des ages§ Jeter l’ancre un seul jour? As we are pushed toward new shores, o´ùí))*W§ Swept along to the eternal night without return, Can we ever on the ocean of the ages Let the anchor down for one day? E Æ ÔnX Mï 17 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ainsi, toujours poussées vers de nouveaux rivages, Dans la nuit éternelle emportés sans retour, Ne pourrons-nous jamais sur l’ocean des ages§ Jeter l’ancre un seul jour? As we are pushed toward new shores, o´ùí))*W§ Swept along to the eternal night without return, ÐL[ð§ØE¶ Can we ever on the ocean of the ages Let the anchor down for one day? E Æ ÔnX Mï 17 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ainsi, toujours poussées vers de nouveaux rivages, Dans la nuit éternelle emportés sans retour, Ne pourrons-nous jamais sur l’ocean des ages§ Jeter l’ancre un seul jour? As we are pushed toward new shores, o´ùí))*W§ Swept along to the eternal night without return, ÐL[ð§ØE¶ Can we ever on the ocean of the ages 3°¥§·Uħ Let the anchor down for one day? E Æ ÔnX Mï 17 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ainsi, toujours poussées vers de nouveaux rivages, Dans la nuit éternelle emportés sans retour, Ne pourrons-nous jamais sur l’ocean des ages§ Jeter l’ancre un seul jour? As we are pushed toward new shores, o´ùí))*W§ Swept along to the eternal night without return, ÐL[ð§ØE¶ Can we ever on the ocean of the ages 3°¥§·Uħ Let the anchor down for one day? =ùÒUÊѺ E Æ ÔnX Mï 17 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ainsi, toujours poussées vers de nouveaux rivages, Dans la nuit éternelle emportés sans retour, Ne pourrons-nous jamais sur l’ocean des ages§ Jeter l’ancre un seul jour? As we are pushed toward new shores, o´ùí))*W§ Swept along to the eternal night without return, ÐL[ð§ØE¶ Can we ever on the ocean of the ages 3°¥§·Uħ Let the anchor down for one day? =ùÒUÊѺ From “Le Lac” by A. De Lamartine (1790-1869)µ{IÊV1 E Æ ÔnX Lû < Mï 17 ²;>Ä寨 1ÔÙµdÂéØ § 8.6 Let there be light Ainsi, toujours poussées vers de nouveaux rivages, Dans la nuit éternelle emportés sans retour, Ne pourrons-nous jamais sur l’ocean des ages§ Jeter l’ancre un seul jour? As we are pushed toward new shores, o´ùí))*W§ Swept along to the eternal night without return, ÐL[ð§ØE¶ Can we ever on the ocean of the ages 3°¥§·Uħ Let the anchor down for one day? =ùÒUÊѺ From “Le Lac” by A. De Lamartine (1790-1869)µ{IÊV1 Lû < ÆLdÂéØ!=òÚ\oÔnXÓÆ E Æ ÔnX Mï 17