de Sitter vacua from uplifting D-terms in effective supergravities from realistic strings

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Published 9 June 2006 • Published under licence by IOP Publishing Ltd
, , Citation Ana Achúcarro et al JHEP06(2006)014 DOI 10.1088/1126-6708/2006/06/014

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Author affiliations

1 Lorentz Institute of Theoretical Physics, Leiden University, 2333 RA Leiden, The Netherlands

2 Department of Theoretical Physics, University of the Basque Country UPV-EHU, 48080 Bilbao, Spain

3 Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QJ, U.K.

4 Instituto de Física Teórica, C-XVI, UAM, 28049 Madrid, Spain

5 Dipartimento di Fisica "Enrico Fermi", Università di Pisa, Largo Pontecorvo 3, Pisa, Italy

Dates

  1. Received 9 February 2006
  2. Accepted 2 May 2006
  3. Published

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1126-6708/2006/06/014

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.

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10.1088/1126-6708/2006/06/014