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Phase transitions of black strings in dynamical Chern-Simons modified gravity by Corral, Cristóbal; Erices, Cristián; Flores-Alfonso, Daniel; Lara, Kristiansen is a scholarly article available to read on EtoBox.

What is Phase transitions of black strings in dynamical Chern-Simons modified gravity about?

We study conserved charges and thermodynamics of analytic rotating anti-de Sitter black holes with extended horizon topology -- also known as black strings -- in dynamical Chern-Simons modified gravity. The solution is supported by a scalar field with an axionic profile that depends linearly on the coordinate that spans the string. We compute conserved charges by making use of the renormalized boundary stress-energy tensor. Then, by adopting the Noether-Wald formalism, we compute the black string entropy and obtain its area law. Indeed, the reduced Euclidean Hamiltonian approach shows that these methods yield a consistent first law of thermodynamics. Additionally, we derive a Smarr formula using a radial conservation law associated to the scale invariance of the reduced action and obtain a Cardy formula for the black string. A first-order phase transition takes place at a critical temperature between the ground state and the black string, above which the black string is the thermodynamically favored configuration.

Author

Corral, Cristóbal; Erices, Cristián; Flores-Alfonso, Daniel; Lara, Kristiansen

Published

2021

Language

EN