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The thermodynamic geometry has been proved to be quite useful in understanding the microscopic structure of black holes. We investigate the phase structure, thermodynamic geometry and critical behavior of a Reissner-Nordstrom-AdS black hole…

广义相对论与量子宇宙学 · 物理学 2020-04-22 Peng Wang , Houwen Wu , Haitang Yang

In this paper, we show the relation between the thermodynamic geometry of a four-dimensional Reissner-Nordstrom-AdS (RN-AdS) black hole and non-local observables in boundary field theory. Instead of introducing the critical point…

广义相对论与量子宇宙学 · 物理学 2022-10-18 Chao Wang , Bin Wu , Zhen Ming Xu , Wen Li Yang

In this paper, we study the phase structure and equilibrium state space geometry of charged topological Gauss-Bonnet black holes in $d$-dimensional anti-de Sitter spacetime. Several critical points are obtained in the canonical ensemble,…

广义相对论与量子宇宙学 · 物理学 2013-02-12 Shao-Wen Wei , Yu-Xiao Liu

Motivated by possible relation between Born-Infeld type nonlinear electrodynamics and an effective low-energy action of open string theory, asymptotically Reissner--Nordstrom black holes whose electric field is described by a nonlinear…

广义相对论与量子宇宙学 · 物理学 2015-07-15 Seyed Hossein Hendi

We investigate the thermodynamics and critical phenomena for four dimensional RN-AdS and Kerr-AdS black holes in the canonical ensemble both for the normal and the extended phase space employing the framework of thermodynamic geometry. The…

高能物理 - 理论 · 物理学 2018-10-23 Pankaj Chaturvedi , Sayid Mondal , Gautam Sengupta

In this paper, we consider a static black hole in $f(R)$ gravity. We recapitulate the expression for corrected thermodynamic entropy of this black hole due to small fluctuations around equilibrium. Also, we study the geometrothermodynamics…

广义相对论与量子宇宙学 · 物理学 2021-11-01 Sudhaker Upadhyay , Saheb Soroushfar , Reza Saffari

We investigate $P$-$V$ criticality, with a focus on Ruppeiner geometry, in the extended phase space of Hayward anti-de Sitter (AdS) black holes. Through thermodynamic analysis, we confirm that Hayward-AdS black holes undergo distinct…

广义相对论与量子宇宙学 · 物理学 2026-01-05 Haximjan Abdusattar

In this work, we investigate the thermodynamic geometry of Reissner-Nordstrom Anti-de Sitter (RN-AdS) black holes with quintessence in the grand canonical ensemble. The analysis employs the Ruppeiner curvature scalar to elucidate the…

We study the thermodynamics and thermodynamic geometry of a five-dimensional Reissner-Nordstr\"om-AdS black hole in the extended phase space by treating the cosmological constant as being related to the number of colors in the boundary…

高能物理 - 理论 · 物理学 2015-06-23 Jia-Lin Zhang , Rong-Gen Cai , Hongwei Yu

In this paper, we construct the exact solutions of Reissner-Nordstrom black holes in the presence of quartic quasi-topological gravity. we obtain the thermodynamics and conserved quantities of the solutions and check the first law of…

广义相对论与量子宇宙学 · 物理学 2018-06-06 M. Ghanaatian , F. Naeimipour , A. Bazrafshan , M. Abkar

In the AdS/CFT correspondence, a dynamical cosmological constant $\Lambda$ in the bulk corresponds to varying the number of colors $N$ in the boundary gauge theory with a chemical potential $\mu$ as its thermodynamic conjugate. In this…

高能物理 - 理论 · 物理学 2020-11-20 Sandip Mahish , Aritra Ghosh , Chandrasekhar Bhamidipati

This research paper presents a black hole solution with a rational non-linear electrodynamics source in the Rastall gravity framework. The paper analyzes the thermodynamic properties of the solution in normal phase space and explores its…

广义相对论与量子宇宙学 · 物理学 2024-03-11 Yassine Sekhmani , Dhruba Jyoti Gogoi , Ratbay Myrzakulov , Javlon Rayimbaev

We investigate the thermodynamics of Reissner-Nordstrom Gauss-Bonnet (RN-GB) black holes in anti-de Sitter (AdS) space with three horizon geometries (k=+1,0,-1) within the grand canonical ensemble. Using the recently developed topological…

高能物理 - 理论 · 物理学 2025-03-07 Imtak Jeon , Bum-Hoon Lee , Wonwoo Lee , Madhu Mishra

We investigate the thermodynamic microstructure of electrically charged AdS black holes in Einstein-Kalb-Ramond bumblebee gravity in the presence of a spherically symmetric cloud of strings. Employing Weinhold and Ruppeiner thermodynamic…

高能物理 - 理论 · 物理学 2025-12-16 Faizuddin Ahmed , Edilberto O. Silva

We explore the thermodynamics of a novel solution for the Reissner-Nordstr\"{o}m-Anti-de Sitter (AdS) black hole, uniquely incorporating the Gauss-Bonnet term. Unlike previous studies that primarily focused on standard General Relativity or…

广义相对论与量子宇宙学 · 物理学 2025-10-24 M. Z. Bhatti , Kazuharu Bamba , I. Siddique , Bander Almutairi , Z. Yousaf

In this article, we investigate the bulk-boundary and restricted phase space (RPS) thermodynamics of Rissner-Nordstr\"om (R-N) AdS and 6-dimensional charged Gauss-Bonnet AdS black holes. Also, we examine the topological characteristics of…

广义相对论与量子宇宙学 · 物理学 2024-06-05 Jafar Sadeghi , Mohammad Reza Alipour , Saeed Noori Gashti , Mohammad Ali S. Afshar

We study thermodynamic geometry of certain black holes and black branes with and without generalized uncertainty principle or stringy $ \alpha^{\prime} $-corrections to the entropy. From this perspective, we analyze Ruppenier geometry of…

高能物理 - 理论 · 物理学 2011-08-24 Bhupendra Nath Tiwari

We investigate the thermodynamic behavior of maximally symmetric charged, asymptotically AdS black hole solutions of Lovelock gravity. We explore the thermodynamic stability of such solutions by the ordinary method of calculating the…

广义相对论与量子宇宙学 · 物理学 2015-10-19 Prasobh C. B. , Jishnu Suresh , V. C. Kuriakose

We probe the microstructure of the dRGT massive black hole in an anti-de Sitter background. The calculations are performed in an extended phase space with pressure and volume taken as fluctuation variables. We analyze the microstructure by…

广义相对论与量子宇宙学 · 物理学 2023-06-16 T. K. Safir , C. L. Ahmed Rizwan , Deepak Vaid

Glavan and Lin's proposal of an effective four-dimensional Einstein--Gauss--Bonnet (4D-EGB) gravity framework yields predictions that differ from general relativity in some regimes. A range of black hole studies have offered insights into…

广义相对论与量子宇宙学 · 物理学 2026-02-26 Syed Masood