New Supersymmetric String Compactifications

Details New Supersymmetric String Compactifications New Supersymmetric String Compactifications

2002-11-19

arxiv.org/abs/hep-th/0211182v1

JHEP 0303:061,2003

Physics

High Energy Physics

High Energy Physics - Theory

43 pages, harvmac big

Scientific paper

10.1088/1126-6708/2003/03/061

We describe a new class of supersymmetric string compactifications to 4d Minkowski space. These solutions involve type II strings propagating on (orientifolds of) non Calabi-Yau spaces in the presence of background NS and RR fluxes. The simplest examples have descriptions as cosets, generalizing the three-dimensional nilmanifold. They can also be thought of as twisted tori. We derive a formula for the (super)potential governing the light fields, which is generated by the fluxes and certain ``twists'' in the geometry. Detailed consideration of an example also gives strong evidence that in some cases, these exotic geometries are related by smooth transitions to standard Calabi-Yau or G2 compactifications of M-theory.

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