玻色子恒星和黑洞有着复杂而真实的标量毛发

IF 5.3 2区物理与天体物理 Q1 Physics and Astronomy

Physical Review D Pub Date : 2025-04-08 DOI:10.1103/physrevd.111.084014

Yves Brihaye, Fabien Buisseret, Betti Hartmann, Oliver Layfield

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引用次数: 0

摘要

我们在一个模型中讨论了具有标量毛发的玻色子星和黑洞，其中分别形成玻色子星和黑洞上的毛发的复标量场通过hsamnon - heiles型势与实标量场相互作用。我们证明了黑洞和玻色子星只携带一个具有三次自相互作用的实标量场是可能的，并且在两个场之间足够大的相互作用和/或足够大的视界半径rh时，具有实标量场和复标量场的黑洞从这些解中分支出来。在选择相同的耦合常数时，后者比前者具有更小的质量，但似乎只有在足够高的温度下才具有热力学上的优势。2025年由美国物理学会出版

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Boson stars and black holes with complex and real scalar hair

We discuss boson stars and black holes with scalar hair in a model where the complex scalar field forming the boson star and the hair on the black hole, respectively, interacts with a real scalar field via a Hénon-Heiles-type potential. We demonstrate that black holes and boson stars carrying only a real scalar field with cubic self-interaction are possible and that black holes with both real and complex scalar field branch off from these solutions for sufficiently large interaction between the two fields and/or sufficiently large horizon radius rh. The latter possess lower mass for the same choice of coupling constants than the former, however seem to be thermodynamically preferred only for high enough temperature.

Published by the American Physical Society

2025

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来源期刊

Physical Review D 物理-天文与天体物理

CiteScore

9.20

自引率

36.00%

发文量

审稿时长

2 months

期刊介绍： Physical Review D (PRD) is a leading journal in elementary particle physics, field theory, gravitation, and cosmology and is one of the top-cited journals in high-energy physics. PRD covers experimental and theoretical results in all aspects of particle physics, field theory, gravitation and cosmology, including: Particle physics experiments, Electroweak interactions, Strong interactions, Lattice field theories, lattice QCD, Beyond the standard model physics, Phenomenological aspects of field theory, general methods, Gravity, cosmology, cosmic rays, Astrophysics and astroparticle physics, General relativity, Formal aspects of field theory, field theory in curved space, String theory, quantum gravity, gauge/gravity duality.