吸积对标量超辐射不稳定性的影响

IF 5.9 2区物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS

Journal of Cosmology and Astroparticle Physics Pub Date : 2025-09-22 DOI:10.1088/1475-7516/2025/09/066

Yin-Da Guo, Shou-Shan Bao, Tianjun Li and Hong Zhang

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引用次数: 0

摘要

超辐射可以导致黑洞（BH）凝聚系统的形成。我们深入研究了吸积效应对该系统演化的影响，以及它在多个超辐射模式下发出的引力波信号。假设黑洞质量与标量质量相乘为一个小数，我们得到了所有重要量的解析近似，可以直接应用于现象学研究。此外，我们证实吸积可以显著增强引力波（GW）发射并缩短其持续时间，并且表明GW拍频特征也有类似的修改。

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Effect of accretion on scalar superradiant instability

Superradiance can lead to the formation of a black hole (BH) condensate system. We thoroughly investigate the accretion effect on the evolution of this system, and the gravitational wave signals it emits in the presence of multiple superradiance modes. Assuming the multiplication of the BH mass and scalar mass as a small number, we obtain the analytical approximations of all important quantities, which can be directly applied to phenomenological studies. In addition, we confirm that accretion could significantly enhance the gravitational wave (GW) emission and reduce its duration, and show that the GW beat signature is similarly modified.

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来源期刊

Journal of Cosmology and Astroparticle Physics 地学天文-天文与天体物理

CiteScore

10.20

自引率

23.40%

发文量

632

审稿时长

1 months

期刊介绍： Journal of Cosmology and Astroparticle Physics (JCAP) encompasses theoretical, observational and experimental areas as well as computation and simulation. The journal covers the latest developments in the theory of all fundamental interactions and their cosmological implications (e.g. M-theory and cosmology, brane cosmology). JCAP''s coverage also includes topics such as formation, dynamics and clustering of galaxies, pre-galactic star formation, x-ray astronomy, radio astronomy, gravitational lensing, active galactic nuclei, intergalactic and interstellar matter.