响彻广义相对论：修正引力中任何自旋黑洞的准正常模式频率

IF 8.1 1区物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY

Physical review letters Pub Date : 2024-10-30 DOI:10.1103/physrevlett.133.181401

Adrian Ka-Wai Chung, Nicolás Yunes

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引用次数: 0

摘要

黑洞碰撞后，残留物会通过发射引力波沉降到静止状态。一旦非线性消退，这些环落波就会被指数阻尼正弦波（或称准正模）所主导。我们开发了一种使用扰动谱展开的通用方法，用于计算具有任何次极端自旋的黑洞的各类修正引力理论中的准正态模式频率和阻尼时间。我们将这一方法应用于标量-高斯-波奈引力，以显示其精确性，从而能够利用引力波数据进行稳健的环落测试。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Ringing Out General Relativity: Quasinormal Mode Frequencies for Black Holes of Any Spin in Modified Gravity

After black holes collide, the remnant settles to a stationary state by emitting gravitational waves. Once nonlinearities subside, these ringdown waves are dominated by exponentially damped sinusoids, or quasinormal modes. We develop a general method using perturbative spectral expansions to calculate the quasinormal-mode frequencies and damping times in a wide class of modified gravity theories for black holes with any subextremal spin. We apply this method to scalar-Gauss-Bonnet gravity to show its accuracy, thus enabling robust ringdown tests with gravitational wave data.

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来源期刊

Physical review letters 物理-物理：综合

CiteScore

16.50

自引率

7.00%

发文量

2673

审稿时长

2.2 months

期刊介绍： Physical review letters(PRL)covers the full range of applied, fundamental, and interdisciplinary physics research topics: General physics, including statistical and quantum mechanics and quantum information Gravitation, astrophysics, and cosmology Elementary particles and fields Nuclear physics Atomic, molecular, and optical physics Nonlinear dynamics, fluid dynamics, and classical optics Plasma and beam physics Condensed matter and materials physics Polymers, soft matter, biological, climate and interdisciplinary physics, including networks