Renormalized charged scalar current in the Reissner-Nordstrom-de Sitter spacetime

被引：6
|
作者：
Klein, Christiane [1 ]
Zahn, Jochen [1 ]
机构：
[1] Univ Leipzig, Inst Theoret Phys, Bruderstr 16, D-04103 Leipzig, Germany
来源：
PHYSICAL REVIEW D | 2021年 / 104卷 / 02期
关键词：
BLACK-HOLE; PARTICLE CREATION; POLARIZATION;
D O I：
10.1103/PhysRevD.104.025009
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We perform a Hadamard point-split renormalization of the current density j(nu) of a charged scalar field in a Reissner-Nordstrom-de Sitter spacetime. We compute numerically the expectation values of the components j(r) and j(nu) in the Unruh state in the exterior region and study their dependence on the field parameters and the position.
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页数：11
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