Effects of a cloud of strings on the extended phase space of Einstein-Gauss-Bonnet AdS black holes

Abstract

In this paper we study the thermodynamics of Einstein-Gauss-Bonnet (EGB)-AdS black holes minimally coupled to a cloud of strings in an extended phase space where the cosmological constant is treated as pressure of the black holes and its conjugate variable is the thermodynamical volume of the black holes. To investigate the analogy between EGB black holes surrounded by a cloud of strings and liquid-gas system we derive the analytical solutions of the critical points and probe the effects of a cloud of strings on $P-V$ criticality. There is obtained resemblance between "small black hole/large black hole" (SBH/LBH) phase transition and the liquid-gas phase transition. We see that impact of a cloud of strings can bring Van der Waals-like behavior, in absence of the Gauss-Bonnet (GB) counterpart. In the other words, in the EGB black hole with $\alpha \to 0$ and when it is surrounded by a cloud of strings the Hawking-Page phase transition would be disappeared and SBH/LBH phase transition recovers. Also there is not happened Joule-Thomson effect.

arXiv comment18 pages, 4 figure

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• Thermodynamics of the Reissner-Nordström black hole with quintessence matter on the EGUP framework
• Joule-Thomson expansion of Lower-dimensional black hole
• Joule-Thomson Expansion of Regular Bardeen AdS Black Hole Surrounded by Static Anisotropic Quintessence Field
• Critical behavior of AdS Gauss-Bonnet massive black holes in the presence of external string cloud
• AdS black holes with higher derivative corrections in presence of string cloud
• Joule-Thomson effect of AdS black holes in conformal gravity
• Effects of string cloud on Gauss-Bonnet holographic superconductors
• Quantum State Dependence of Thermodynamic Phase Transition in 4D AdS Gauss-Bonnet Quantum Black Holes Surrounded With Cloud of Strings
• Joule-Thomson expansion of Reissner-Nordström-Anti-de Sitter black holes with cloud of strings and quintessence
• Particles creation from JNW quantum perturbed black holes by minimally coupled Klein Gordon scalar free fields
• Stability of horizon with pressure and volume of d-dimensional charged AdS black holes with cloud of strings and quintessence
• Thermodynamics and overcharging problem in the extended phase spaces of charged AdS black holes with cloud of strings and quintessence under charged particle absorption