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Related papers: Black holes seeding cosmological phase transitions

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Under the framework of thermodynamics, the phase transition of the black hole is a general issue in general relativity. In this work, the phase transition of charged black holes is discussed carefully. The metric tensor of thermodynamics is…

General Physics · Physics 2024-05-09 Bobin Li

We conduct a novel study to obtain the initial spin of the primordial black holes created during a first-order phase transition due to delayed false vacuum decay. Remaining within the parameter space consistent with observational bounds, we…

General Relativity and Quantum Cosmology · Physics 2024-07-30 Indra Kumar Banerjee , Ujjal Kumar Dey

In these notes we present a summary of existing ideas about phase transitions of black hole spacetimes in semiclassical gravity and offer some thoughts on three possible scenarios by which these transitions could take place. Our first theme…

General Relativity and Quantum Cosmology · Physics 2007-05-23 G. J. Stephens , B. L. Hu

The supermassive black holes found at the centers of galaxies are often surrounded by dense star clusters. The ages of these clusters are generally longer than the resonant-relaxation time and shorter than the two-body relaxation time over…

Astrophysics of Galaxies · Physics 2019-12-18 Scott Tremaine

We consider the effect of inhomogeneities on the rate of false vacuum decay. Modelling the inhomogeneity by a black hole, we construct explicit Euclidean instantons which describe the nucleation of a bubble of true vacuum centred on the…

High Energy Physics - Theory · Physics 2015-06-18 Ruth Gregory , Ian G. Moss , Benjamin Withers

We investigate production of primordial black holes from first-order electroweak phase transition in the framework of the nearly aligned Higgs effective field theory, in which non-decoupling quantum effects are properly described. Since the…

High Energy Physics - Phenomenology · Physics 2023-01-18 Katsuya Hashino , Shinya Kanemura , Tomo Takahashi , Masanori Tanaka

The phase transition of a Bardeen black hole is studied by considering Ehrenfest's equations. The thermodynamic variables such as entropy, potential and heat capacity are calculated from the first law of thermodynamics for black holes. That…

High Energy Physics - Theory · Physics 2015-07-02 Jingyun Man , Hongbo Cheng

Primordial black holes can be produced by density fluctuations generated from delayed vacuum decays of first-order phase transition. The primordial black holes generated at the electroweak phase transition have masses of about $10^{-5}$…

High Energy Physics - Phenomenology · Physics 2022-07-27 Katsuya Hashino , Shinya Kanemura , Tomo Takahashi

Motivated by providing preliminary steps to understand the conception of quantum gravity, in this paper, we study the phase structure of a semiclassical gravitational system. We investigate the stability conditions and phase transition of…

High Energy Physics - Theory · Physics 2017-01-19 S. H. Hendi , S. Panahiyan , B. Eslam Panah , M. Momennia

In this paper, we study the thermodynamics and phase transition of a BTZ black hole in a finite space region, namely a cavity. By imposing a temperature-fixed boundary condition on the wall of the cavity and evaluating the Euclidean action,…

General Relativity and Quantum Cosmology · Physics 2022-08-25 Yuchen Huang , Jun Tao

Understanding the thermodynamic phase transition of black holes can provide a deep insight into the fundamental properties of black hole gravity to establish the theory of quantum gravity. We investigate the condition and latent heat of…

High Energy Physics - Theory · Physics 2022-09-13 Yun-Zhi Du , Huai-Fan Li , Fang Liu , Ren Zhao , Li-Chun Zhang

Large curvature perturbations generated during slow first-order phase transitions are a promising source of primordial black holes. However, recent analyses suggested that the mechanism is ruled out once the density contrast and the…

High Energy Physics - Phenomenology · Physics 2026-05-22 Wen-Yuan Ai , Ke-Pan Xie

We discuss the thermodynamics of a general nonlinear electrodynamics (NLED) asymptotically flat black hole enclosed in a finite spherical cavity. A canonical ensemble is considered, which means that the temperature and the charge on the…

General Relativity and Quantum Cosmology · Physics 2020-01-08 Peng Wang , Houwen Wu , Haitang Yang

In this paper, we calculate thermodynamical quantity of Kerr-Newman-AdS black hole solution in quintessence matter. Then, we show that how the rotation and cosmological parameters effect to the thermodynamics properties of black hole. Also,…

High Energy Physics - Theory · Physics 2017-10-25 Kh. Jafarzade , J. Sadeghi

Considering a nonlinear charged black hole as a thermodynamics system, we study the geometric description of its phase transitions. Using the formalism of geometrothermodynamics we show that the geometry of the space of thermodynamic…

Mathematical Physics · Physics 2014-04-28 Gustavo Arciniega , Alberto Sánchez

It has recently been suggested that cosmologically significant numbers of black holes could form during a first-order QCD phase transition. Further, it has been asserted that these black holes would have masses corresponding naturally to…

Astrophysics · Physics 2007-05-23 Christian Y. Cardall , George M. Fuller

We analyze a new mechanism for the cosmological QCD first-order phase transition: inhomogeneous nucleation. The primordial temperature fluctuations are larger than the tiny temperature interval, in which bubbles would form in the standard…

High Energy Physics - Phenomenology · Physics 2017-08-23 J. Ignatius , Dominik J. Schwarz

Recent studies have revealed synchronized multivalued behavior in thermodynamic, dynamical, and geometric quantities during the black hole first-order phase transition, which enables a diagnosis from different perspectives, yet its…

General Relativity and Quantum Cosmology · Physics 2026-03-16 Shi-Hao Zhang , Zi-Yuan Li , Jing-Fei Zhang , Xin Zhang

In this paper we have studied thermodynamics of a black hole in massive gravity in the canonical ensemble. The massive gravity theory in consideration here has a massive graviton due to Lorentz symmetry breaking. The black hole studied here…

General Relativity and Quantum Cosmology · Physics 2016-12-15 Sharmanthie Fernando

We disclose a novel phase transition in black hole physics by investigating thermodynamics of charged dilaton black holes in an extended phase space where the charge of the black hole is regarded as a fixed quantity. Along with the usual…

High Energy Physics - Theory · Physics 2017-10-11 Amin Dehyadegari , Ahmad Sheykhi , Afshin Montakhab