振铃黑洞是超辐射的:超轻标量场
广义相对论与量子宇宙学
2022-06-01 v3 高能天体物理现象
高能物理 - 理论
摘要
超辐射已在静态(带电)与旋转黑洞时空的背景下被广泛研究。在本文中,我们首次报道:对于最小耦合标量场,Schwarzschild 黑洞在其振铃相(ring down phase)中的吸收截面可以是超辐射的。我们当前的结果开启了一种通过其他基本场观测黑洞并合现象的有趣可能性。
引用
@article{arxiv.2109.10940,
title = {Ringing Black Hole is Superradiant: Ultra-light Scalar Field},
author = {Rajesh Karmakar and Debaprasad Maity},
journal= {arXiv preprint arXiv:2109.10940},
year = {2022}
}
备注
A new section has been added on obsevables effects. Also, few typos are corrected and some references have been added. Accepted for publication in Phys. Rev. D