De Sitter vacua from uplifting D-terms in effective supergravities from realistic strings
Jan, 2006
22 pages
Published in:
- JHEP 06 (2006) 014
e-Print:
- hep-th/0601190 [hep-th]
Report number:
- IFT-UAM-CSIC-05-52
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Abstract:
We study the possibility of using the D-term associated to an anomalous U(1) for the uplifting of AdS vacua (to dS or Minkowski vacua) in effective supergravities arising from string theories, particularly in the type IIB context put forward by Kachru, Kallosh, Linde and Trivedi (KKLT). We find a gauge invariant formulation of such a scenario (avoiding previous inconsistencies), where the anomalous D-term cannot be cancelled, thus triggering the uplifting of the vacua. Then, we examine the general conditions for this to happen. Finally, we illustrate the results by presenting different successful examples in the type IIB context.- supergravity models
- flux compactification
- dS vacua in string theory
- string model
- supersymmetry: symmetry breaking
- effective action
- supergravity
- vacuum state
- space-time: de Sitter
- compactification: flux
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