Construction of Supergravity Backgrounds with a Dilaton Field

Details Construction of Supergravity Backgrounds with a Dilaton Field Construction of Supergravity Backgrounds with a Dilaton Field

2004-11-15

arxiv.org/abs/hep-th/0411143v2

Phys.Lett. B607 (2005) 306-316

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, minor corrections

Scientific paper

10.1016/j.physletb.2004.12.070

A new class of non-compact Kahler backgrounds accompanied by a non-constant dilaton field is constructed as a supergravity solution. It is interpreted as a complex line bundle over a base manifold comprising of a combination of arbitrary coset spaces, and also includes the case of Calabi-Yau manifolds. The resulting backgrounds have U(1) isometry. We consider N=2 supersymmetric sigma-models on them, and derive a non-Kahlerian solution by U(1) duality transformation, which preserves N=2 supersymmetry.

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