Supersymmetric Consistent Truncations of IIB on T(1,1)

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Abstract

We study consistent Kaluza-Klein reductions of type IIB supergravity on T(1,1) down to five-dimensions. We find that the most general reduction containing singlets under the global SU(2)xSU(2) symmetry of T(1,1) is N=4 gauged supergravity coupled to three vector multiplets with a particular gauging due to topological and geometric flux. Key to this reduction is several modes which have not been considered before in the literature and our construction allows us to easily show that the Papadopoulos - Tseytlin ansatz for IIB solutions on T(1,1) is a consistent truncation. This explicit reduction provides an organizing principle for the linearized spectrum around the warped deformed conifold as well as the baryonic branch and should have applications to the physics of flux compactifications with warped throats.

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Towards the large N limit of pure N=1 super Yang Mills

Carlos núñez, Juan M. Maldacena (2000)

We find the gravity solution corresponding to a large number of NS or D fivebranes wrapped on a two sphere so that we have pure \({\cal N}=1\) super Yang-Mills in the IR. The supergravity solution is smooth, it shows confinement and it breaks the \(U(1)_R\) chiral symmetry in the appropriate way. When the gravity approximation is valid the masses of glueballs are comparable to the masses of Kaluza Klein states on the fivebrane, but if we could quantize strings on this background it looks like we should be able to decouple the KK states.