Soft black hole absorption rates as conservation laws

被引：0
作者：
Steven G. Avery
Burkhard U.W. Schwab
机构：
[1] Brown University,
[2] Department of Physics,undefined
[3] Michigan State University,undefined
[4] Department of Physics and Astronomy,undefined
[5] Harvard University,undefined
[6] Center for Mathematical Science and Applications,undefined
来源：
Journal of High Energy Physics | / 2017卷
关键词：
Black Holes; Classical Theories of Gravity; Gauge Symmetry; Global Symmetries;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The absorption rate of low-energy, or soft, electromagnetic radiation by spherically symmetric black holes in arbitrary dimensions is shown to be fixed by conservation of energy and large gauge transformations. We interpret this result as the explicit realization of the Hawking-Perry-Strominger Ward identity for large gauge transformations in the background of a non-evaporating black hole. Along the way we rederive and extend previous analytic results regarding the absorption rate for the minimal scalar and the photon.
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