Dynamical features and shadows of quantum Schwarzschild black hole in effective field theories of gravity

IF 4.2 2区 物理与天体物理 Q2 PHYSICS, PARTICLES & FIELDS The European Physical Journal C Pub Date : 2025-03-15 DOI:10.1140/epjc/s10052-025-13833-7
Zi-Liang Wang, Emmanuele Battista
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Abstract

We investigate the properties of the Schwarzschild black hole geometry involving leading one-loop long-distance quantum effects, which arise within the framework of effective field theories of gravity. Our analysis reveals that geodesic trajectories of both massive and massless particles can assume completely different behaviours depending on the sign assumed by the quantum contributions, in spite of their smallness. Moreover, we find that the positions of stable and unstable circular orbits are determined by an algebraic quartic equation, which we solve by developing a straightforward and analytic method. Additionally, we examine black hole shadows and rings by means of two different emission profile models, which account for quantum corrections to the innermost stable circular orbit and photon sphere radii. The Hawking temperature and the entropy of the black hole are also derived. Finally, we draw our conclusions.

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我们研究了施瓦兹柴尔德黑洞几何的特性,其中涉及引力有效场理论框架内产生的领先一环长距离量子效应。我们的分析表明,尽管量子贡献很小,但根据量子贡献的符号,有质量和无质量粒子的大地轨迹可以表现出完全不同的行为。此外,我们还发现,稳定和不稳定圆形轨道的位置是由一个代数四元方程决定的。此外,我们还通过两种不同的发射轮廓模型研究了黑洞阴影和黑洞环,这些模型考虑了对最内层稳定圆轨道和光子球半径的量子修正。我们还得出了黑洞的霍金温度和熵。最后,我们得出结论。
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来源期刊
The European Physical Journal C
The European Physical Journal C 物理-物理:粒子与场物理
CiteScore
8.10
自引率
15.90%
发文量
1008
审稿时长
2-4 weeks
期刊介绍: Experimental Physics I: Accelerator Based High-Energy Physics Hadron and lepton collider physics Lepton-nucleon scattering High-energy nuclear reactions Standard model precision tests Search for new physics beyond the standard model Heavy flavour physics Neutrino properties Particle detector developments Computational methods and analysis tools Experimental Physics II: Astroparticle Physics Dark matter searches High-energy cosmic rays Double beta decay Long baseline neutrino experiments Neutrino astronomy Axions and other weakly interacting light particles Gravitational waves and observational cosmology Particle detector developments Computational methods and analysis tools Theoretical Physics I: Phenomenology of the Standard Model and Beyond Electroweak interactions Quantum chromo dynamics Heavy quark physics and quark flavour mixing Neutrino physics Phenomenology of astro- and cosmoparticle physics Meson spectroscopy and non-perturbative QCD Low-energy effective field theories Lattice field theory High temperature QCD and heavy ion physics Phenomenology of supersymmetric extensions of the SM Phenomenology of non-supersymmetric extensions of the SM Model building and alternative models of electroweak symmetry breaking Flavour physics beyond the SM Computational algorithms and tools...etc.
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