The fields of uniformly accelerated charges in de Sitter spacetime -: art. no. 211101

被引：28
|
作者：
Bicák, J [1 ]
Krtous, P [1 ]
机构：
[1] Charles Univ, Fac Math & Phys, Inst Theoret Phys, CR-18000 Prague 8, Czech Republic
来源：
PHYSICAL REVIEW LETTERS | 2002年 / 88卷 / 21期
关键词：
D O I：
10.1103/PhysRevLett.88.211101
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The scalar and electromagnetic fields of charges uniformly accelerated in de Sitter spacetime are constructed. They represent the generalization of the Born solutions describing fields of two particles with hyperbolic motion in flat spacetime. In the limit Lambda-->0 , the Born solutions are retrieved. Since in the de Sitter universe the infinities I+/- are spacelike, the radiative properties of the fields depend on the way in which a given point of I+/- is approached. The fields must involve both retarded and advanced effects: Purely retarded fields do not satisfy the constraints at the past infinity I- .
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页数：4
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