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In this paper, we study the thermodynamic geometry of charged Gauss-Bonnet black holes (and Reissner-Nordstr\"{o}m black holes, for the sake of comparison) in AdS: in both $(T,V)$- and $(S,P)$-planes. The thermodynamic phase space is known…

General Relativity and Quantum Cosmology · Physics 2020-05-11 Aritra Ghosh , Chandrasekhar Bhamidipati

Based on the observations that there exists an analogy between the Reissner-Nordstr\"om-anti-de Sitter (RN-AdS) black holes and the van der Waals-Maxwell liquid-gas system, in which a correspondence of variables is $(\phi, q)…

General Relativity and Quantum Cosmology · Physics 2016-08-31 Jianyong Shen , Rong-Gen Cai , Bin Wang , Ru-Keng Su

Due to the non-independence of entropy and thermodynamic volume for spherically symmetric black holes in the AdS spacetime, when applying the Ruppeiner thermodynamic geometry theory to these black holes, we often encounter an unavoidable…

General Relativity and Quantum Cosmology · Physics 2020-01-08 Zhen-Ming Xu , Bin Wu , Wen-Li Yang

The Ruppeiner geometry and the fluctuation for a four-dimensional charged AdS black hole in the framework of the extensive thermodynamics have been investigated. By fixing the AdS radius of Vissers construction, the extensive thermodynamics…

General Relativity and Quantum Cosmology · Physics 2022-10-18 Chao Wang , Shi Peng Yin , Zhen Ming Xu , Bin Wu , Wen Li Yang

Thermodynamic fluctuation metrics in Ruppeiner's formalism are worked out for Kerr-AdS black holes in the extended state space. The implications of constraints upon the state space geometry and their correspondence with thermodynamical…

High Energy Physics - Theory · Physics 2017-06-07 Anurag Sahay

In this paper, we study the effect of dark energy on the extended thermodynamic structure and interacting microstructures of black holes in AdS, through an analysis of thermodynamic geometry. Considering various limiting cases of the novel…

General Relativity and Quantum Cosmology · Physics 2021-02-05 Aditya Singh , Aritra Ghosh , Chandrasekhar Bhamidipati

Employing the thermodynamic geometry approach, we explore phase transition of four dimensional spinning black holes in an anti-de Sitter (AdS) spaces and found the following novel results. (i) Contrary to the charged AdS black hole,…

High Energy Physics - Theory · Physics 2021-12-02 Amin Dehyadegari , Ahmad Sheykhi

The significant properties and phase transition of charged Anti-de Sitter (AdS) black holes have been extensively studied in a variety of modified theories of gravity in the presence of numerous matter fields. The goal of our current…

General Relativity and Quantum Cosmology · Physics 2024-01-10 Oleksii Sokoliuk , Sneha Pradhan , Alexander Baransky , P. K. Sahoo

The Ruppeiner geometry of thermodynamic fluctuations provides a powerful diagnostic of black hole microstructures. We investigate this for charged AdS black holes and find that while an attractive microstructure interaction dominates for…

General Relativity and Quantum Cosmology · Physics 2019-08-21 Shao-Wen Wei , Yu-Xiao Liu , Robert B. Mann

In this paper, we study various aspects of the equilibrium thermodynamic state space geometry of AdS black holes. We first examine the Reissner-Nordstrom-AdS (RN-AdS) and the Kerr-AdS black holes. In this context, the state space scalar…

High Energy Physics - Theory · Physics 2014-11-20 Anurag Sahay , Tapobrata Sarkar , Gautam Sengupta

Thermodynamic geometry analysis of interesting Letter [Phys. Rev. Lett. 115, 111302 (2015)] for charged AdS black holes, which is based on studying the Ruppeiner invariant behavior is not correct and the authors made a mistake in…

High Energy Physics - Theory · Physics 2016-03-03 M. Kord Zangeneh , A. Dehyadegari , A. Sheykhi

In this paper, we analytically study the phase structure and construct the Ruppeiner geometry in the extended phase space for the five-dimensional neutral Gauss-Bonnet AdS black hole. Through calculating the scalar curvature of the…

General Relativity and Quantum Cosmology · Physics 2020-03-03 Shao-Wen Wei , Yu-Xiao Liu

Understanding black hole microstructure via the thermodynamic geometry can provide us with more deeper insight into black hole thermodynamics in modified gravities. In this paper, we study the black hole phase transition and Ruppeiner…

General Relativity and Quantum Cosmology · Physics 2021-08-04 Shao-Wen Wei , Yu-Xiao Liu

We resolve the controversial issue of the geometric approach to the black hole thermodynamics. The geometric description of the equilibrium thermodynamics comes from Ruppeiner geometry based on a metric on the thermodynamic state space. For…

High Energy Physics - Theory · Physics 2008-11-26 Yun Soo Myung , Yong-Wan Kim , Young-Jai Park

In this study, we advance the understanding of thermodynamic properties and phase transitions in rotating anti-de Sitter (AdS) black holes by applying the Kaniadakis(KD) entropy framework. This framework represents a non-extensive…

General Relativity and Quantum Cosmology · Physics 2025-03-13 Bidyut Hazarika , Amijit Bhattacharjee , Prabwal Phukon

In this paper, the new formalism of thermodynamic geometry proposed in [1] is employed in investigating phase transition points and the critical behavior of a Gauss Bonnet-AdS black hole in four dimensional spacetime. In this regard,…

General Relativity and Quantum Cosmology · Physics 2021-02-15 Seyed Ali Hosseini Mansoori

Originally considered for van der Waals fluids and charged black holes [Phys. Rev. Lett. 123, 071103 (2019)], we extend and generalize our approach to higher-dimensional charged AdS black holes. Beginning with thermodynamic fluctuations, we…

General Relativity and Quantum Cosmology · Physics 2019-12-24 Shao-Wen Wei , Yu-Xiao Liu , Robert B. Mann

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…

High Energy Physics - Theory · Physics 2026-05-14 Apurba Tiwari , Randeep Kaur , Javed Khan Bhutto , Thafasalijyas Vayalpurayil , Mohammed Sayeeduddin Habeeb

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…

General Relativity and Quantum Cosmology · Physics 2023-06-16 T. K. Safir , C. L. Ahmed Rizwan , Deepak Vaid

In this paper we discuss a formulation of extended phase space thermodynamics of black holes in Anti de Sitter (AdS) spacetimes from the contact geometry point of view. Thermodynamics of black holes can be understood within the framework of…

High Energy Physics - Theory · Physics 2019-12-23 Aritra Ghosh , Chandrasekhar Bhamidipati
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