The O(dd) Story of Massive Supergravity

Details The O(dd) Story of Massive Supergravity The O(dd) Story of Massive Supergravity

1999-01-12

arxiv.org/abs/hep-th/9901045v2

JHEP 9905:010,1999

Physics

High Energy Physics

High Energy Physics - Theory

55 pages, latex, no figures, added a few references, published in JHEP05(1999)010

Scientific paper

10.1088/1126-6708/1999/05/010

The low energy effective action describing the standard Kaluza-Klein reduction of heterotic string theory on a d-torus possesses a manifest O(d,d+16) symmetry. We consider generalized Scherk-Schwarz reductions of the heterotic string to construct massive gauged supergravities. We show that the resulting action can still be written in a manifestly O(d,d+16) invariant form, however, the U-duality transformations also act on the mass parameters. The latter play the dual role of defining the scalar potential and the nonabelian structure constants. We conjecture that just as for the standard reduction, a subgroup of this symmetry corresponds to an exact duality symmetry of the heterotic string theory.

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