Scalar absorption by charged rotating black holes

被引：16
|
作者：
Leite, Luiz C. S. [1 ]
Benone, Carolina L. [1 ]
Crispino, Luis C. B. [1 ]
机构：
[1] Univ Fed Para, Fac Fis, BR-66075110 Belem, Para, Brazil
来源：
PHYSICAL REVIEW D | 2017年 / 96卷 / 04期
关键词：
EMISSION-SPECTRA; SCATTERING; WAVES;
D O I：
10.1103/PhysRevD.96.044043
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We compute numerically the absorption cross section of planar massless scalar waves impinging upon a Kerr-Newman black hole with different incidence angles. We investigate the influence of the black hole electric charge and angular momentum in the absorption spectrum, comparing our numerical computations with analytical results for the limits of high and low frequency.
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页数：8
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