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

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

2001-02-16

arxiv.org/abs/hep-th/0102105v2

JHEP 0104:033,2001

Physics

High Energy Physics

High Energy Physics - Theory

18 pages, minor corrections

Scientific paper

10.1088/1126-6708/2001/04/033

The world volume theory on $N$ regular and $M$ fractional D3-branes at the conifold singularity is a non-conformal ${\cal N}=1$ 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.

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