Area law corrections from state counting and supergravity
Gabriel Lopes Cardoso, Bernard de Wit, Thomas Mohaupt
TL;DR
This paper examines corrections to the black hole area law in four-dimensional N=2 supersymmetric black holes, exploring how microscopic state counting aligns with macroscopic entropy calculations and discussing extensions to N=4 and N=8 cases.
Contribution
It provides insights into how area law modifications can reconcile microscopic and macroscopic entropy in supersymmetric black holes, with a focus on state counting and supergravity.
Findings
Modified area law expressions for N=2 black holes
Comparison between microscopic state counting and supergravity calculations
Brief discussion on N=4 and N=8 black hole entropy
Abstract
Modifications of the Bekenstein-Hawking area law for black holes are crucial in order to find agreement between the microscopic entropy based on state counting and the macroscopic entropy based on an effective field theory computation. We discuss this and related issues for the case of four-dimensional N=2 supersymmetric black holes. We also briefly comment on the state counting for N=4 and N=8 black holes.
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