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The thermodynamics of black holes (BHs) within the Einstein Maxwell Scalar (EMS) framework, incorporating Barrow entropy and its logarithmic corrections to analyze quantum gravity effects is investigated here. A static, spherically…

广义相对论与量子宇宙学 · 物理学 2025-07-08 Ritabrata Biswas , Satyajit Pal

We present a systematic investigation of the thermodynamic topology for a broad class of asymptotically charged Anti-de Sitter (AdS) black holes in Einstein-Maxwell-Dilaton (EMD) theories, examining how scalar coupling parameters and…

高能物理 - 理论 · 物理学 2025-09-09 H. Babaei-Aghbolagh , Habib Esmaili , Song He , Hosein Mohammadzadeh

This paper deals with the thermodynamical properties of black hole formulated in Einstein theory of relativity and associated with a nonlinear electromagnetic field. The transition of the black hole is analyzed using the parameters mass,…

广义相对论与量子宇宙学 · 物理学 2023-05-31 G. Abbas , R. H. Ali

A spherically symmetric black hole solution defined by the gravitational mass is explored in higher-order curvature gravity associated with a scalar field. It is demonstrated that the singularities of the curvature invariants will be far…

广义相对论与量子宇宙学 · 物理学 2025-09-04 G. G. L. Nashed , Usman Zafar , Kazuharu Bamba

In five dimensions, we consider a model described by the Einstein gravity with a source given by a scalar field and various Abelian gauge fields with dilatonic-like couplings. For this model, we are able to construct two dyonic black holes…

高能物理 - 理论 · 物理学 2018-01-24 Moises Bravo-Gaete , Mokhtar Hassaine

We study the evaporation of a four-dimensional spherically symmetric black hole formed in a gravitational collapse. We analyze the back-reaction of a massless quantum scalar field conformally coupled to the scalar curvature by means of the…

广义相对论与量子宇宙学 · 物理学 2021-11-30 Paolo Meda , Nicola Pinamonti , Simone Roncallo , Nino Zanghì

In this paper, we consider the solutions of Einstein gravity in the presence of a generalized Maxwell theory, namely power Maxwell invariant. First, we investigate the analogy of nonlinear charged black hole solutions with the Van der Waals…

高能物理 - 理论 · 物理学 2013-11-12 S. H. Hendi , M. H. Vahidinia

We describe a shielding mechanism for a charged black hole immersed in a background involving charged matter fields, solely arising from the Einstein-Maxwell field equations. In particular, we consider a charged generalization of the…

广义相对论与量子宇宙学 · 物理学 2023-02-28 Justin C. Feng , Sumanta Chakraborty , Vitor Cardoso

In this paper, we study thermodynamics, quasi-normal modes and thermal fluctuations of a charged black hole with Weyl corrections. We first obtain thermodynamic quantities such as Hawking temperature, entropy, and heat capacity for…

广义相对论与量子宇宙学 · 物理学 2020-05-22 M. Sharif , Zunaira Akhtar

In this paper we find analytical expressions for thermodynamic quantities of scalar (tensor) and vector unparticle static black holes. We also find rotating solutions to these systems and analyse their thermodynamics. First we consider the…

高能物理 - 理论 · 物理学 2018-03-28 G. Alencar , C. R. Muniz

The action for a class of three-dimensional dilaton-gravity theories, with an electromagnetic Maxwell field and a cosmological constant, can be recast in a Brans-Dicke-Maxwell type action, with its free $\omega$ parameter. For a negative…

广义相对论与量子宇宙学 · 物理学 2009-02-23 Gonçalo A. S. Dias , José P. S. Lemos

We construct a class of charged, rotating solutions of (n+1)-dimensional Einstein-Maxwell-dilaton gravity with Liouville-type potentials and investigate their properties. These solutions are neither asymptotically flat nor (anti)-de Sitter.…

高能物理 - 理论 · 物理学 2008-11-26 A. Sheykhi , M. H. Dehghani , N. Riazi , J. Pakravan

A large family of new black hole solutions in 2+1-dimensional Einstein-Power-Maxwell (EPM) gravity with prescribed physical properties is derived. We show with particular examples that according to the power parameter k of the Maxwell…

广义相对论与量子宇宙学 · 物理学 2012-07-26 O. Gurtug , S. Habib Mazharimousavi , M. Halilsoy

In this paper we discuss black hole solutions parametrized by their entropy $\mathcal{S}$ and temperature $\mathcal{T}$ in gravitational effective theories. We are especially interested in the analysis of the boundary regions in the…

高能物理 - 理论 · 物理学 2022-10-24 Niccolò Cribiori , Markus Dierigl , Alessandra Gnecchi , Dieter Lust , Marco Scalisi

In this work, we study the thermal fluctuation, deflection angle and greybody factor of the high-dimensional Schwarzschild black hole in scalar-tensor-vector gravity (STVG). Based on the correction of black hole entropy due to thermal…

广义相对论与量子宇宙学 · 物理学 2023-07-11 Qian Li , Yu Zhang , Qi-Quan Li , Qi Sun

The thermodynamics of Maxwell-Dilaton (dirty) black holes has been extensively studied. It has served as a fertile ground to test ideas about temperature through various definitions of surface gravity. In this paper, we make an independent…

广义相对论与量子宇宙学 · 物理学 2013-10-02 C S Lopez-Monsalvo , F Nettel , H Quevedo

In this paper, we present a new class of higher dimensional exact topological black hole solutions of the Brans-Dicke theory in the presence of a power-law Maxwell field as the matter source. For this aim, we introduce a conformal…

广义相对论与量子宇宙学 · 物理学 2015-11-23 M. Kord Zangeneh , M. H. Dehghani , A. Sheykhi

We study the holographic complexity of Einstein-Maxwell-Dilaton gravity using the recently proposed "complexity = volume" and "complexity = action" dualities. The model we consider has a ground state that is represented in the bulk via a…

高能物理 - 理论 · 物理学 2018-10-17 Brian Swingle , Yixu Wang

We use the Legendre invariant formalism of geometrothermodynamics to investigate the geometric properties of the equilibrium space of a spherically symmetric phantom black hole with electric charge and dilaton. We find that at certain…

广义相对论与量子宇宙学 · 物理学 2016-08-24 H. Quevedo , M. N. Quevedo , A. Sanchez

In the context of a noncommutative model of coordinate coherent states, we present a Schwarzschild-like metric for a Vaidya solution instead of the standard Eddington-Finkelstein metric. This leads to the appearance of an exact $(t - r)$…

广义相对论与量子宇宙学 · 物理学 2014-11-21 S. Hamid Mehdipour