Microscopic Origin of Black Hole Reentrant Phase Transitions

Understand

Understanding the microscopic behavior of the black holes ingredients has been one of the important challenges in black holes physics during the past decades.

• In order to shed some light on the microscopic structure of black holes, in this paper, we explore a recently observed phenomenon for black holes namely reentrant phase transition, by employing the Ruppeiner geometry.
• Interestingly enough, we observe two properties for the phase behaviour of small black holes that leads to reentrant phase transition.
• They are correlated and they are of the interaction type.