Supergravity and Light-Like Non-commutativity release_rev_3cf2385b-95dd-4fd6-a7df-0c72cb77aadc

Abstract

We construct dual supergravity descriptions of field theories and little string theories with light-like non-commutativity. The field theories are realized on the world-volume of Dp branes with light-like NS B field and M5 branes with light-like C field. The little string theories are realized on the world-volume of NS5 branes with light-like RR A fields. The supergravity backgrounds are closely related to the A=0,B=0,C=0 backgrounds. We discuss the implications of these results. We also construct dual supergravity descriptions of ODp theories realized on the worldvolume of NS5 branes with RR backgrounds.
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