D-terms from generalized NS-NS fluxes in type II

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Published 14 December 2007 • Published under licence by IOP Publishing Ltd
, , Citation Daniel Robbins and Timm Wrase JHEP12(2007)058 DOI 10.1088/1126-6708/2007/12/058

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1 Theory Group, Department of Physics, University of Texas at Austin, Austin, TX 78712, U.S.A.

Dates

  1. Received 5 October 2007
  2. Accepted 4 December 2007
  3. Published

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Abstract

Orientifolds of type II string theory admit a certain set of generalized NS-NS fluxes, including not only the three-form field strength H, but also metric and non-geometric fluxes, which are related to H by T-duality. We describe in general how these fluxes appear as parameters of an effective Script N = 1 supergravity theory in four dimensions, and in particular how certain generalized NS-NS fluxes can act as charges for R-R axions, leading to D-term contributions to the effective scalar potential. We illustrate these phenomena in type IIB with the example of a certain orientifold of T6/Bbb Z4.

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10.1088/1126-6708/2007/12/058