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29 March 2024
 
  » arxiv » hep-th/0602025

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D-branes in Nongeometric Backgrounds
Albion Lawrence ; Michael B. Schulz ; Brian Wecht ;
Date 2 Feb 2006
Abstract"T-fold" backgrounds are generically nongeometric compactifications of string theory, described by T^n fibrations of a base N with transition functions in the perturbative T-duality group. We review Hull’s doubled torus formalism, which geometrizes these backgrounds, and use the formalism to constrain the D-brane spectrum (to leading order in g_s and alpha’) on T^n fibrations over S^1 with O(n,n;Z) monodromy. We also discuss the "D-geometry" of the moduli space of such branes, and argue that such a geometry is always geometric, and is a multiple or infinite cover of the T-fold.
Source arXiv, hep-th/0602025
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