Abstract

We construct exact hairy planar black holes in D-dimensional AdS gravity. These solutions are regular except at the singularity and have stress-energy that satisfies the null energy condition. We present a detailed analysis of their thermodynamical properties and show that the first law is satisfied. We also discuss these solutions in the context of AdS/CFT duality and construct the associated c-function.

Highlights

  • Classical gravity in the bulk one can obtain important information about the strong regime of the dual field theories, which admit gravity duals

  • We present a detailed analysis of their thermodynamical properties and show that the first law is satisfied

  • We show that the null energy condition is satisfied and so we expect that the boundary theory is well defined

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Summary

General solutions in D dimensions

We generalize the black hole solutions of [4]. While exact 5-dimensional planar black hole solutions were presented in [4], we are going to focus on other dimensions here and show that the solutions can be nicely written in a compact form. By carefully studying the asymptotic properties of these solutions, we will obtain the mass of the scalar. In a particular case when a part of the potential vanishes, we will present a concrete superpotential associated to the scalar potential. This case is interesting to understanding of dynamics in theories with domain walls [17,18,19]

General set-up
Solutions
Thermodynamics
Domain walls
Black hole solutions and c-function
Conclusions
A Details on the equations of motion
B Details on the Weyl tensor and mass calculation
Full Text
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