New families of interpolating type IIB backgrounds

Abstract

We construct new families of interpolating two-parameter solutions of type IIB supergravity. These correspond to D3-D5 systems on non-compact six-dimensional manifolds which are T^2 fibrations over Eguchi-Hanson and multi-center Taub-NUT spaces, respectively. One end of the interpolation corresponds to a solution with only D5 branes and vanishing NS three-form flux. A topology changing transition occurs at the other end, where the internal space becomes a direct product of the four-dimensional surface and the two-torus and the complexified NS-RR three-form flux becomes imaginary self-dual. Depending on the choice of the connections on the torus fibre, the interpolating family has either N=2 or N=1 supersymmetry. In the N=2 case it can be shown that the solutions are regular.

20 pages

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• Supersymmetric Configurations, Geometric Transitions and New Non-Kahler Manifolds
• A tale of two cascades: Higgsing and Seiberg-duality cascades from type IIB string theory
• A composite light scalar, electro-weak symmetry breaking and the recent LHC searches
• Towards the string dual of tumbling and cascading gauge theories
• The Non-SUSY Baryonic Branch: Soft Supersymmetry Breaking of N=1 Gauge Theories
• Fivebranes and resolved deformed G_2 manifolds
• Toward NS5 Branes on the Resolved Cone over Y^{p,q}
• Heterotic Hyper-Kahler Flux Backgrounds
• From N=2 in four dimensions to (0,2) in two dimensions
• BPS equations and Non-trivial Compactifications
• The Structure of the Non-SUSY Baryonic Branch of Klebanov-Strassler