Reentrant phase transition with a single critical point of the Hayward-AdS black hole

The reentrant phase transition (RPT) is composed of at least two phase transition, which has previously been observed in the Condensed Matter Theory/systems, and now has been found with a renewal interest in black hole thermodynamics. For the RPT, there exist always two and several critical points;...

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Bibliographic Details
Published in:General relativity and gravitation 2022, Vol.54 (1), Article 5
Main Authors: Liu, Yi-Peng, Cao, Hui-Ming, Xu, Wei
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics and Cosmology
Black holes
Classical and Quantum Gravitation
Condensed matter physics
Critical phenomena
Critical point
Differential Geometry
Electrodynamics
Electromagnetic fields
Gravity
Mathematical and Computational Physics
Phase diagrams
Phase transitions
Physics
Physics and Astronomy
Quantum Physics
Relativity Theory
Research Article
Solid phases
Theoretical
Thermodynamics
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Summary:The reentrant phase transition (RPT) is composed of at least two phase transition, which has previously been observed in the Condensed Matter Theory/systems, and now has been found with a renewal interest in black hole thermodynamics. For the RPT, there exist always two and several critical points; while the first order phase transition always corresponds to a single critical point. In this paper, we present a black hole thermodynamical systems with a single critical point possessing the RPT, other than a first order phase transition. Concretely, we focus on the Hayward-AdS black hole, i.e. the AdS black hole in the gravity with a nonlinear electrodynamics, consider its extended thermodynamics, and investigate its critical phenomena and phase structure, especially the RPT in detail. The number of critical points and the types of phase transition depend on the strength constant of the nonlinear electromagnetic field. We introduce an unexpected RPT with a single physical critical point for the first time. We also present all distinct and physical critical RPT points in the phase diagrams.
ISSN:0001-7701
1572-9532
DOI:10.1007/s10714-021-02886-0