超统一场与协变电磁学引论
1/ 1v2 / c2
v ve
式中,
得到
;
j
2
x = x ut v t ux/c
1
1
1
x v ux/ c2 u + v t
1
1
1
1
2
x v1ux / c
u + v1
1vu/ c
1vu/c2
t
(5.42)
(5.43)
(5.44)
1
1
2
1vu/ c2
若令
则有
u+ v
w =
1vu/c2
2
2
2
ˆ
1vu/ c 1/ 1w / c
x u v u v x / x u v x / x x / c2
x v1ux /c2
1
1
1
1
2
1
2
1
3
1
3
1
1
1vu/ c2
1vu/ c2
x u v u v u v x / c2
3
1
1
1
2
2
3
1
x
(5.45)
1
1vu/c2
u + v1
1
(5.46)
we w
1
1
1vu/c2
ˆ
x x wt
(5.47)
1
1
1
同理可证
ˆ
x x w t
2
2
2
(5.48)
ˆ
x x w t
3
3
3
2
2
t t ux/c v x ut v x u t v x u t /c
1
1 2
3
1
2
2
3
3
t ux/c2 v x v ut v x v u t v x v u t /c2
1 1
2
1 1
2
2
2
2
3
3
3
3
2
t 1vu/ c u+ v x/ c
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