Thermodynamics and microstructures of Euler–Heisenberg black hole in a cavity

作     者：Qin Yu Qi Xu Jun Tao Qin Yu;Qi Xu;Jun Tao

作者机构：Center for Theoretical PhysicsCollege of PhysicsSichuan UniversityChengdu610065China 

出 版 物：《Communications in Theoretical Physics》 (理论物理通讯（英文版）)

年 卷 期：2023年第75卷第9期

页      面：91-103页

核心收录：

学科分类：07[理学] 070401[理学-天体物理] 0704[理学-天文学] 

基　　金：supported by NSFC (Grant No.12047573 and 12275184) 

主　　题：black hole thermodynamics phase transition microstructure 

摘      要：Euler–Heisenberg black holes with quantum electrodynamics(QED) correction are embraced by a cavity in this paper, which serves as a boundary of the black hole spacetime and contributes to the equilibrium of the system. We explore the thermodynamic properties of the black hole, including the phase transitions and phase structures. The small/large black hole phase transition occurs for a negative QED parameter, while the reentrant phase transition can be observed for a small positive QED parameter. Then the thermodynamic geometry is investigated to diagnose microscopic interactions of black hole thermodynamic systems. For the reentrant phase transition, the small black holes are dominated by repulsion for the first-order coexistence curve, while the interaction between the small black hole molecules could be attractive or repulsive for the small/large black hole phase transition.