Non-Extremal Gravity Duals for Fractional D3-Branes on the Conifold

Abstract

The world volume theory on $N$ regular and $M$ fractional D3-branes at the conifold singularity is a non-conformal $\mathcal{N}=1$ supersymmetric $SU(N+M)\times SU(N)$ gauge theory. In previous work the extremal Type IIB supergravity dual of this theory at zero temperature was constructed. Regularity of the solution requires a deformation of the conifold: this is a reflection of the chiral symmetry breaking. To study the non-zero temperature generalizations non-extremal solutions have to be considered, and in the high temperature phase the chiral symmetry is expected to be restored. Such a solution is expected to have a regular Schwarzschild horizon. We construct an ansatz necessary to study such non-extremal solutions and show that the simplest possible solution has a singular horizon. We derive the system of second order equations in the radial variable whose solutions may have regular horizons.

18 pages, minor corrections

References in corpus (1)

• Gravity Duals of Fractional Branes in Various Dimensions

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