Gauged Double Field Theory

Details Gauged Double Field Theory Gauged Double Field Theory

Publishing date

2012-01-13

URL

arxiv.org/abs/1201.2924v2

Journals

JHEP04(2012)020

Science

Physics

Field

High Energy Physics

SubField

High Energy Physics - Theory

Additional info

Minor changes, references added

Type

Scientific paper

Digital Object Identifier

10.1007/JHEP04(2012)020

Abstract

We find necessary and sufficient conditions for gauge invariance of the action of Double Field Theory (DFT) as well as closure of the algebra of gauge symmetries. The so-called weak and strong constraints are sufficient to satisfy them, but not necessary. We then analyze compactifications of DFT on twisted double tori satisfying the consistency conditions. The effective theory is a Gauged DFT where the gaugings come from the duality twists. The action, bracket, global symmetries, gauge symmetries and their closure are computed by twisting their analogs in the higher dimensional DFT. The non-Abelian heterotic string and lower dimensional gauged supergravities are particular examples of Gauged DFT.

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