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In this work, we investigate the gravitational signatures of a nonlinear electromagnetic extension of the Reissner-Nordstr\"om solution. We conduct an analysis of light propagation, focusing on the photon sphere, shadow formation, and…

General Relativity and Quantum Cosmology · Physics 2025-04-28 A. A. Araújo Filho

Focusing on the description of cosmic evolution at late times, this study examines a generalized holographic dark energy (HDE) framework constructed via a polynomial expansion in the Hubble parameter, which includes contributions…

General Relativity and Quantum Cosmology · Physics 2026-03-10 Miguel Cruz , Joaquin Housset , Samuel Lepe , Joel Saavedra , Francisco Tello-Ortiz

We investigate the thermodynamic and observational implications for the charged torus-like black holes, a class of solutions distinct from the classical Schwarzschild black holes. We explicitly derive the fundamental thermodynamic…

High Energy Physics - Theory · Physics 2026-02-27 Usman Zafar , Kazuharu Bamba , Abdul Jawad , Tabinda Rasheed , Sanjar Shaymatov

In this paper, we study the phase tranisions in the extended holographic thermodynamics of Born-Infeld AdS black holes. The extended gravitational thermodynamics of black holes is related to the thermodynamics of the dual field theory by…

High Energy Physics - Theory · Physics 2023-11-21 Ning-Chen Bai , Li Song , Jun Tao

We show the appearance of geometric phase in a Dirac particle traversing in non-relativistic limit in a time-independent gravitational field. This turns out to be similar to the one originally described as a geometric phase in magnetic…

General Relativity and Quantum Cosmology · Physics 2021-10-27 Tanuman Ghosh , Banibrata Mukhopadhyay

Recently a short scale modified black hole metric, known as holographic metric, has been proposed in order to capture the self-complete character of gravity. In this paper we show that such a metric can reproduce some geometric features…

General Relativity and Quantum Cosmology · Physics 2016-05-23 Antonia M. Frassino , Sven Köppel , Piero Nicolini

In this paper, we investigate the emergent thermodynamic phenomena arising from spacetime foam and its impact on black hole behavior. Within this framework, we adopt the Barrow model, where the structure of spacetime at small scales is…

High Energy Physics - Theory · Physics 2025-07-15 Yahya Ladghami , Aatifa Bargach , Amine Bouali , Touafik Ouali , Ghulam Mustafa

The phase transitions of charged Anti-de Sitter (AdS) black holes are characterized by studying null geodesics in the vicinity of the critical curve of photon trajectories around black holes as well as their optical appearance as the black…

General Relativity and Quantum Cosmology · Physics 2024-09-04 Chatchai Promsiri , Weerawit Horinouchi , Ekapong Hirunsirisawat

Nonlinear electron kinetic structures are regularly observed in space and experimental magnetized plasmas, called electron phase-space holes (EHs). The existence of EHs is conditioned and varies according to the ambient magnetic field and…

Plasma Physics · Physics 2023-10-19 Gaëtan Gauthier , Thomas Chust , Olivier Le Contel , Philippe Savoini

We investigate rotating effect on deconfinement phase transition in an Einstein-Maxwell-Dilaton(EMD) model in bottom-up holographic QCD approach. By constructing a rotating black hole, which is supposed to be dual to rotating strongly…

High Energy Physics - Phenomenology · Physics 2021-08-04 Xun Chen , Lin Zhang , Danning Li , Defu Hou , Mei Huang

The quantum phase transition between paramagnetic and antiferromagnetic phases of the Kondo lattice model with Ising anisotropy in the intersite exchange is studied within the framework of extended dynamical mean-field theory.…

Strongly Correlated Electrons · Physics 2007-12-03 Matthew T. Glossop , Kevin Ingersent

The phenomenon of magnetic catalysis of chiral symmetry breaking in the quantum chromodynamic theory in the framework of logarithmic quark sigma model is studied. Thermodynamic properties are calculated in the mean-field approximation such…

High Energy Physics - Phenomenology · Physics 2018-01-23 M. Abu-Shady

We obtain an exact solution of $AdS$ black hole solution in Einstein-Gauss-Bonnet (EGB) gravity coupled with nonlinear electrodynamics. It interpolates with the $AdS$ regular black hole and $AdS$ EGB black hole in the absence of the…

General Relativity and Quantum Cosmology · Physics 2022-08-30 Dharm Veer Singh , Vinod Kumar Bhardwaj , Sudhaker Upadhyay

In this article, we considered the strong field approximation of nonlinear electrodynamics black hole and constructed its rotating counterpart by applying the modified Newman-Janis algorithm. The corresponding metric function in the strong…

General Relativity and Quantum Cosmology · Physics 2022-11-23 M. Zubair , Muhammad Ali Raza , Ghulam Abbas

We study thermodynamic properties, in particular the Temperature~(T), Angular velocity~($\Omega_h$) and Entropy~(S) of the of magnetically charged slowly rotating (with rotation parameter $a \lsim 0.10$) Kerr black-hole(BH) with the…

General Relativity and Quantum Cosmology · Physics 2026-04-30 Vinayak S. Pawar , Siba Prasad Das

Recent work in the literature has studied the quantum-mechanical decay of a Schwarzschild-like black hole, formed by gravitational collapse, into almost-flat space-time and weak radiation at a very late time. The relevant quantum amplitudes…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Elisabetta Di Grezia , Giampiero Esposito , Gennaro Miele

This work reports a study of the nonlinear Hall Effect (HE) in the semimetallic ferromagnet EuB6. A distinct switch in its Hall resistivity slope is observed in the paramagnetic phase, which occurs at a single critical magnetization over a…

Strongly Correlated Electrons · Physics 2009-09-01 Xiaohang Zhang , Liuqi Yu , Stephan von Molnar , Zachary Fisk , Peng Xiong

We explore the physical consequences of a new nonlinear electrodynamics, for which the electric field of a point-like charge is finite at the origin, as in the well-known Born-Infeld electrodynamics. However, contrary to the latter, in this…

General Physics · Physics 2018-01-17 Patricio Gaete , José A. Helayël-Neto

Huge electromagnetic fields are known to be present during the late stages of the dynamics of supernovae. Thus, when dealing with electrodynamics in this context, the possibility may arise to probe nonlinear theories. The Einstein field…

High Energy Astrophysical Phenomena · Physics 2020-04-13 H. Mosquera Cuesta , G. Lambiase , J. P. Pereira

In this paper, we have creatively employed the shadow radius to study the thermodynamics of a charged AdS black hole with a nonlinear electrodynamics(NLED) term. First, the connection between the shadow radius and event horizon is…

General Relativity and Quantum Cosmology · Physics 2023-08-16 He-Bin Zheng , Ping-Hui Mou , Yun-Xian Chen , Guo-Ping Li