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Gauge Theory Duals of Cosmological Backgrounds and their Energy Momentum Tensors
Adel Awad, Sumit R. Das, K. Narayan +1
We revisit Type IIB supergravity backgrounds with null and spacelike singularities with natural gauge theory duals proposed in {\tt hep-th/0602107} and {\tt hep-th/0610053}. We sho…
Duality Symmetry and the Cardy Limit
Suresh Nampuri, Prasanta K. Tripathy, Sandip P. Trivedi
We study supersymmetric and non-supersymmetric extremal black holes obtained in Type IIA string theory compactified on K3 X T^2, with duality group O(6,22,Z) X SL(2,Z). In the Card…
On The Stability of Non-Supersymmetric Attractors in String Theory
Suresh Nampuri, Prasanta K. Tripathy, Sandip P. Trivedi
We study non-supersymmetric attractors obtained in Type IIA compactifications on Calabi Yau manifolds. Determining if an attractor is stable or unstable requires an algebraically c…