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Building an explicit de Sitter

Louis, Jan
•
Rummel, Markus
•
VALANDRO, ROBERTO
•
Westphal, Alexander
2012
  • journal article

Periodico
JOURNAL OF HIGH ENERGY PHYSICS
Abstract
We construct an explicit example of a de Sitter vacuum in type IIB string theory that realizes the proposal of Kaehler uplifting. As the large volume limit in this method depends on the rank of the largest condensing gauge group we carry out a scan of gauge group ranks over the Kreuzer-Skarke set of toric Calabi-Yau threefolds. We find large numbers of models with the largest gauge group factor easily exceeding a rank of one hundred. We construct a global model with Kaehler uplifting on a two-parameter model on CP11169[18], by an explicit analysis from both the type IIB and F-theory point of view. The explicitness of the construction lies in the realization of a D7 brane configuration, gauge flux and RR and NS flux choices, such that all known consistency conditions are met and the geometric moduli are stabilized in a metastable de Sitter vacuum with spontaneous GUT scale supersymmetry breaking driven by an F-term of the Kaehler moduli.
DOI
10.1007/JHEP10(2012)163
WOS
WOS:000310851300036
Archivio
http://hdl.handle.net/11368/2869816
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84868299319
Diritti
metadata only access
Soggetti
  • dS vacua in string th...

Web of Science© citazioni
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Data di acquisizione
Mar 21, 2024
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Data di acquisizione
Apr 19, 2024
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