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We investigate the thermodynamic properties of charged anti-de Sitter black holes surrounded by a cloud of strings in bumblebee gravity. In this framework, the cloud-of-strings parameter $\alpha$ and the Lorentz-violating parameter $\ell$…

General Relativity and Quantum Cosmology · Physics 2026-03-20 Faizuddin Ahmed , Edilberto O. Silva

We re-derive an exact analytic three-parameter expressions for the non-rotating metric, describing a Taub-NUT-like black hole (BH), and its associated bumblebee field that are solutions to the Einstein-bumblebee gravity. We construct a…

General Relativity and Quantum Cosmology · Physics 2025-12-10 Mustapha Azreg-Aïnou , Yassine Sekhmani

We explore the possibility of formation of a traversable wormhole in General Relativity supported by particle creation mechanism. The repulsive back-reaction pressure generated through this mechanism can be thought of as a source of…

General Relativity and Quantum Cosmology · Physics 2025-01-23 Mrinnoy M. Gohain , Kalyan Bhuyan , Chayanika Chetia

In this work, we analyze the thermodynamic properties of non--interacting particles under influence of the gravitational field of a traversable wormhole. In particular, we investigate how the thermodynamic quantities are affected by the…

General Relativity and Quantum Cosmology · Physics 2024-06-10 A. A. Araújo Filho , J. Furtado , J. A. A. S. Reis , J. E. G. Silva

In this article, the thermodynamic properties of Bardeen black holes surrounded by quintessence are investigated in the framework of a new higher order GUP. The modified Hawking temperature, entropy and heat capacity are derived using a…

General Relativity and Quantum Cosmology · Physics 2025-11-24 Bo-Li Liu , Yu Zhang , Qi-Quan Li , Chen-Hao Xie

We study the thermodynamics of galaxy clusters in a modified Newtonian potential motivated by a general solution to Newton's "sphere-point" equivalence theorem. We obtain the $N$ particle partition function by evaluating the configurational…

Astrophysics of Galaxies · Physics 2021-12-16 Abdul W. Khanday , Sudhaker Upadhyay , Prince A. Ganai

We tested the thermodynamic properties of charged BTZ-type black holes (BHs) in the framework of Bopp Podolsky electrodynamics, a higher derivative extension of Maxwells theory that preserves gauge invariance while introducing a massive…

General Relativity and Quantum Cosmology · Physics 2025-07-17 Allan. R. P. Moreira , Abdelmalek Bouzenada , Guo-Hua Sun , Shi-Hai Dong

We analyze the thermodynamical properties of black holes in a modified theory of gravity, which was initially proposed to obtain correct dynamics of galaxies and galaxy clusters without dark matter. The thermodynamics of non-rotating and…

General Relativity and Quantum Cosmology · Physics 2016-05-20 Jonas R. Mureika , John W. Moffat , Mir Faizal

In this work, we study Hawking radiation from a general static black hole due to tunnelling of particle having nonzero mass. Hawking temperature has been calculated using both the tunnelling method and the Hamilton-Jacobi method and the…

General Relativity and Quantum Cosmology · Physics 2012-10-01 Ritabrata Biswas , Nairwita Mazumder , Subenoy Chakraborty

In this paper, we study the tunneling of fermion particle for slowly rotating Kerr-Newman-de Sitter-like (KNdS-like) black hole in bumblebee gravity model by applying the generalized uncertainty principle (GUP). The Hawking temperature of…

General Relativity and Quantum Cosmology · Physics 2025-05-09 Ningthoujam Media , Y. Priyobarta Singh , Y. Onika Laxmi , T. Ibungochouba Singh

This study explores the emission of massive charged spin-1 particles from the background of Bardeen regular spacetime by the semi-classical method used to study the Hawking radiation spectrum. We employed the Hamilton-Jacobi method and WKB…

General Relativity and Quantum Cosmology · Physics 2021-10-22 Areeba Merriam , M. Zain Sarwar

This work investigates the influence of the Lorentz symmetry breaking in the bending angle of massive particles and light for bumblebee black hole solutions. The solutions analyzed break the Lorentz symmetry due to a non-zero vacuum…

General Relativity and Quantum Cosmology · Physics 2021-05-18 I. D. D. Carvalho , G. Alencar , W. M. Mendes , R. R. Landim

We investigate the thermodynamics, topology, and geometry of black holes in Lorentz-violating gravity. Modifications in the theory by perturbative parameter lead to coupled changes in horizon structure and thermodynamic behaviour, allowing…

General Relativity and Quantum Cosmology · Physics 2025-10-28 Ankit Anand , Aditya Singh , Anshul Mishra , Saeed Noori Gashti , Takol Tangphati , Phongpichit Channuie

The ability of bumblebee gravity models to explain dark energy, which is the phenomenon responsible for the universe's observed accelerated expansion, is one of their most significant applications. An effect that causes faster expansion can…

General Relativity and Quantum Cosmology · Physics 2023-05-19 M. Mangut , H. Gürsel , S. Kanzi , İ. Sakallı

In this work, we study the thermodynamic properties on a non--commutative background via gravitational gauge field potentials. This procedure is accomplished after contracting de Sitter (dS) group, $\mathrm{SO}(4,1)$, with the Poincar\`e…

High Energy Physics - Theory · Physics 2023-02-07 A. A. Araújo Filho , S. Zare , P. J. Porfírio , J. Kříž , H. Hassanabadi

As a vector-tensor theory including nonminimal coupling between the Ricci tensor and a vector field, the bumblebee gravity is a potential theory to test Lorentz symmetry violation. Recently, a new class of numerical spherical black holes in…

General Relativity and Quantum Cosmology · Physics 2023-07-14 Zhan-Feng Mai , Rui Xu , Dicong Liang , Lijing Shao

An important phase transition in black hole thermodynamics is associated with the divergence of the specific heat with fixed charge and angular momenta, yet one can demonstrate that neither Ruppeiner's entropy metric nor Weinhold's energy…

High Energy Physics - Theory · Physics 2010-12-17 Haishan Liu , H. Lu , Mingxing Luo , Kai-Nan Shao

We investigate the geometric and wave optical properties of a $(2+1)$-dimensional ultra-static spacetime conformally related to the static BTZ black hole, characterized by constant negative Gaussian curvature. The associated optical metric…

General Relativity and Quantum Cosmology · Physics 2025-08-13 Semra Gurtas Dogan , Abdullah Guvendi , Omar Mustafa

We have proposed a novel shape function on which the metric that models traversable wormholes is dependent. Using this shape function, the energy conditions, equation of state and anisotropy parameter are analyzed in $f(R)$ gravity,…

General Relativity and Quantum Cosmology · Physics 2020-05-19 Gauranga C. Samanta , Nisha Godani , Kazuharu Bamba

We consider the path-integral quantization of a minisuperspace cut-and-paste Lorentzian wormhole connecting two Minkowski spacetimes. The dynamics of the throat radius as a function of proper time is governed by a non-polynomial effective…

General Relativity and Quantum Cosmology · Physics 2026-03-26 Johanna Borissova , João Magueijo