Shamit Kachru et al JHEP03(2003)061 doi:10.1088/1126-6708/2003/03/061
Shamit Kachru1, Michael B. Schulz2, Prasanta K. Tripathy3 and Sandip P. Trivedi3
Show affiliationsWe 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.
E-print Number: hep-th/0211182
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Issue 03 (March 2003)
Received 27 March 2003, accepted for publication 31 March 2003
Published 3 April 2003
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