Extremal black brane solutions in five-dimensional gauged supergravity
Susanne Barisch-Dick, Gabriel Lopes Cardoso, Michael Haack, Suresh, Nampuri
TL;DR
This paper constructs and analyzes extremal black brane solutions in five-dimensional gauged supergravity, including Nernst branes with zero entropy density and black branes with cylindrical horizons, using first-order flow equations.
Contribution
It introduces a method to generate extremal black brane solutions with novel properties in five-dimensional gauged supergravity.
Findings
Nernst branes with vanishing entropy density constructed.
Black branes with cylindrical horizons analyzed.
Entropy density computed via dual CFT Cardy formula.
Abstract
We study stationary black brane solutions in the context of N = 2, U(1) gauged supergravity in five dimensions. Using the formalism of first-order flow equations, we construct examples of extremal black brane solutions that include Nernst branes, i.e. extremal black brane solutions with vanishing entropy density, as well as black branes with cylindrical horizon topology, whose entropy density can be computed from a Cardy formula of the dual CFT.
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