Black hole entropy from the boundary conformal structure in 3D gravity with torsion

TL;DR

This paper explores how the boundary conformal structure in 3D gravity with torsion can be used to compute black hole entropy, revealing the role of Virasoro algebras and Cardy's formula.

Contribution

It demonstrates the derivation of black hole entropy from boundary conformal symmetry in 3D gravity with torsion, incorporating two Virasoro algebras with different central charges.

Findings

Boundary symmetry described by two Virasoro algebras with distinct central charges

Black hole entropy calculated using Cardy's formula from boundary conformal data

Establishes a link between boundary conformal structure and black hole thermodynamics

Abstract

Asymptotic symmetry of the Euclidean 3D gravity with torsion is described by two independent Virasoro algebras with different central charges. Elements of this boundary conformal structure are combined with Cardy's formula to calculate the black hole entropy.