Synchrotron scalar radiation from a source in ultrarelativistic circular orbits around a Schwarzschild black hole

被引：17
|
作者：
Crispino, Luis C. B. [1 ]
机构：
[1] Fed Univ Para, Fac Fis, BR-66075110 Belem, Para, Brazil
来源：
PHYSICAL REVIEW D | 2008年 / 77卷 / 04期
关键词：
D O I：
10.1103/PhysRevD.77.047503
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Using the framework of quantum field theory in curved spacetime, I analyze the synchrotron scalar radiation emitted by a source orbiting a Schwarzschild black hole in both stable and unstable circular orbits. The comparison between the emitted power in Schwarzschild spacetime and the one obtained in Minkowski spacetime assuming Newtonian gravitation is performed. The amount of the emitted radiation which is absorbed by the black hole is also computed.
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页数：4
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