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The Thomas-Fermi model is extended at finite temperature, to describe the gravitational phase transition occurring in massive fermionic systems in a general-relativistic framework. It is shown that, when a nondegenerate fermionic gas (for…

广义相对论与量子宇宙学 · 物理学 2022-06-29 Giuseppe Alberti , Pierre-Henri Chavanis

A model of nonlinear electrodynamics is proposed and investigated in general relativity. We consider the magnetic black hole and find a regular solution which gives corrections into the Reissner-Nordstr\"{o}m solution. At…

综合物理 · 物理学 2018-03-07 S. I. Kruglov

It is believed that there may have been a large number of black holes formed in the very early universe. These would have quantised masses. A charged ``elementary black hole'' (with the minimum possible mass) can capture electrons, protons…

广义相对论与量子宇宙学 · 物理学 2009-08-18 V. V. Flambaum , J. C. Berengut

Phase transitions are fundamental in nature. A small parameter change near a critical point leads to a qualitative change in system properties. Across a regular phase transition, the system remains in thermal equilibrium and, therefore,…

We study the thermodynamic phase transition of a quantum-corrected Schwarzschild black hole. The modified metric affects the critical temperature which is slightly less than the conventional one. The space without black holes is not the hot…

广义相对论与量子宇宙学 · 物理学 2013-02-15 Wontae Kim , Yongwan Kim

We consider how scalar fields affect the thermodynamic behavior of charged anti-de Sitter (AdS) black holes. We specifically investigate a class of (3+1)-dimensional exact hairy charged AdS black hole solutions to Einstein-Maxwell-scalar…

高能物理 - 理论 · 物理学 2022-07-07 Dumitru Astefanesei , Paulina Cabrera , Robert B. Mann , Raúl Rojas

We investigate thermodynamic phase structure and critical behaviour of Born-Infeld (BI) black holes in an anti-de Sitter (AdS) space, where the charge of the system can vary and the cosmological constant (pressure) is fixed. We find that…

广义相对论与量子宇宙学 · 物理学 2018-07-11 Amin Dehyadegari , Ahmad Sheykhi

Heat and charge transport were used to probe the magnetic field-tuned quantum critical point in the heavy-fermion metal CeCoIn$_5$. A comparison of electrical and thermal resistivities reveals three characteristic energy scales. A…

We investigate the relationship between dynamical instability and thermodynamic phase transitions in four-dimensional Anti--de Sitter black holes in Einstein gravity coupled to a nonlinear power-law electromagnetic field with exponent $p =…

广义相对论与量子宇宙学 · 物理学 2026-01-30 Ramón Bécar , P. A. González , Felipe Moncada , Yerko Vásquez

In the inner regions of an accretion disk around a black hole, the presence of non-thermal protons would via p-p collisions produce electrons, positrons and $\gamma$-rays. For such a scenario, the steady state electron-positron distribution…

天体物理学 · 物理学 2009-11-07 S. Bhattacharyya , N. Bhatt , R. Misra , C. L. Kaul

Understanding the dynamic process of black hole thermodynamic phase transitions at a triple point is a huge challenge. In this letter, we carry out the first investigation of dynamical phase behaviour at a black hole triple point. By…

广义相对论与量子宇宙学 · 物理学 2022-05-05 Shao-Wen Wei , Yong-Qiang Wang , Yu-Xiao Liu , Robert B. Mann

In models with a low quantum gravity scale, a well-motivated reason to expect quark and lepton fields are localized but physically separated is to avoid proton decay. This could happen in a ``fat-brane'' or in an additional, orthogonal…

高能物理 - 唯象学 · 物理学 2009-11-07 Tao Han , Graham D. Kribs , Bob McElrath

The article considers the space-time structure of a charged black hole in the nonlinear Born-Infeld electrodynamics. We are discussing a special state of such a black hole in the form of a "black point" with a doubly degenerate horizon, for…

广义相对论与量子宇宙学 · 物理学 2025-09-03 Vladimir Sokolov

We discuss the nature of phase transitions in self-gravitating systems both in the microcanonical and in the canonical ensemble. We avoid the divergence of the gravitational potential at short distances by considering the case of…

统计力学 · 物理学 2009-11-07 P. H. Chavanis

We investigate the quantum evolution of large black holes that nucleate spontaneously in de Sitter space. By numerical computation in the s-wave and one-loop approximations, we verify claims that such black holes can initially…

广义相对论与量子宇宙学 · 物理学 2009-10-31 Jens C. Niemeyer , Raphael Bousso

We consider asymptotically Warped AdS$_3$ black holes in Topologically Massive Gravity. We study their thermodynamic stability and show the existence of a Hawking-Page phase transition between the black hole and thermal background phases.…

高能物理 - 理论 · 物理学 2015-06-11 Stéphane Detournay , Céline Zwikel

We show that the planar, charged black hole in AdS, dual to the strongly coupled Quark-Gluon Plasma thermal state of large $N$, $SU(N)$, $\mathcal{N}=4$ super Yang-Mills at finite chemical potential undergoes a third-order phase transition…

高能物理 - 理论 · 物理学 2024-05-09 Andres Anabalon , Julio Oliva

The confinement-deconfinement phase transition is explored by lattice numerical simulations in non-compact (2+1)-dimensional quantum electrodynamics with massive fermions at finite temperature. The existence of two phases, one with and the…

高能物理 - 格点 · 物理学 2008-12-18 Roberto Fiore , Pietro Giudice , Alessandro Papa

We consider ferroelectric phase transitions in both short-circuited and biased ferroelectric-semiconductor films with a space (depletion) charge which leads to some unusual behavior. It is shown that in the presence of the charge the…

统计力学 · 物理学 2009-10-31 A. M. Bratkovsky , A. P. Levanyuk

We investigate the connection between thermodynamic phase transitions and quasi-normal modes (QNMs) in charged black holes with a positive curvature constant, within the framework of $F(R)$-Euler-Heisenberg gravity. Nonlinear…

高能物理 - 理论 · 物理学 2026-01-13 Zi-Yu Hou , Yu-Qi Lei , Xian-Hui Ge