D-terms from generalized NS-NS fluxes in type II. (English) Zbl 1246.81296
Summary: 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 \(\mathcal N = 1\) 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 \(T^{6}/\mathbb{Z}_{4}\).
MSC:
| 81T30 | String and superstring theories; other extended objects (e.g., branes) in quantum field theory |
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