A warped R × T^{1,1} vacuum of heterotic supergravity preserves 1/4 supersymmetry and reduces consistently to N=1, D=4 supergravity with SU(2)×SU(2) Yang-Mills fields of geometric origin.
Gauged Supergravity Vacua From Intersecting Branes
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abstract
Domain wall and electrovac solutions of gauged N=4 D=4 supergravity, with gauge group SU(2) or SU(2)xSU(2), are interpreted as supersymmetric Kaluza-Klein vacua of N=1 D=10 supergravity. These vacua are shown to be the near-horizon geometries of certain intersecting brane solutions.
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Consistent Warped $\mathbb R\times T^{1,1}$ Reduction of Heterotic Supergravity
A warped R × T^{1,1} vacuum of heterotic supergravity preserves 1/4 supersymmetry and reduces consistently to N=1, D=4 supergravity with SU(2)×SU(2) Yang-Mills fields of geometric origin.