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Article overview
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Towards a world-sheet description of doubled geometry in string theory | Ioannis Bakas
; Dieter Lust
; Erik Plauschinn
; | Date: |
24 Feb 2016 | Abstract: | Starting from a sigma-model for a doubled target-space geometry, we show that
the number of target-space dimensions can be reduced by half through a gauging
procedure. We apply this formalism to a class of backgrounds relevant for
double field theory, and illustrate how choosing different gaugings leads to
string-theory configurations T-dual to each other. We furthermore discuss that
given a conformal doubled theory, the reduced theories are conformal as well.
As an example we consider the three-dimensional SU(2) WZW model and show that
the only possible reduced backgrounds are the cigar and trumpet CFTs in two
dimensions, which are indeed T-dual to each other. | Source: | arXiv, 1602.7705 | Services: | Forum | Review | PDF | Favorites |
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