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Fully stable dS vacua from generalised fluxes
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.
2013 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, Vol. 8, p. 054-Article in journal (Refereed) Published
Abstract [en]

We investigate the possible existence of (meta-)stable de Sitter vacua within \cN=1 compactifications with generalised fluxes. With the aid of an algorithm inspired by the method of differential evolution, we were able to find three novel examples of completely tachyon-free de Sitter extrema in a non-isotropic type IIB model with non-geometric fluxes. We also analyse the surroundings of the aforementioned points in parameter space and chart the corresponding stability regions. These happen to occur at small values of the cosmological constant compared to the AdS scale.

Place, publisher, year, edition, pages
2013. Vol. 8, p. 054-
Keywords [en]
vacuum state: de Sitter, stability, cosmological constant, compactification, anti-de Sitter
National Category
Subatomic Physics
Research subject
Theoretical Physics
Identifiers
URN: urn:nbn:se:uu:diva-196382DOI: 10.1007/JHEP08(2013)054ISI: 000324113700054OAI: oai:DiVA.org:uu-196382DiVA, id: diva2:610024
Available from: 2013-03-08 Created: 2013-03-08 Last updated: 2017-12-06Bibliographically approved

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Publisher's full texthttp://arXiv.org/abs/arXiv:1301.7073

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Blåbäck, JohanDanielsson, UlfDibitetto, Giuseppe

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