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Universal dS vacua in STU-models
Univ Paris Saclay, Inst Phys Theor, CEA, CNRS, F-91191 Gif Sur Yvette, France..
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
2015 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 10, 069Article in journal (Refereed) Published
Abstract [en]

Stable de Sitter solutions in minimal F-term supergravity are known to lie close to Minkowski critical points. We consider a class of STU-models arising from type IIB compactifications with generalised fluxes. There, we apply an analytical method for solving the equations of motion for the moduli fields based on the idea of treating derivatives of the superpotential of different orders up to third as independent objects. In particular, supersymmetric and no-scale Minkowski solutions are singled out by physical reasons. Focusing on the study of dS vacua close to supersymmetric Minkowski points, we are able to elaborate a complete analytical treatment of the mass matrix based on the sGoldstino bound. This leads to a class of interesting universal dS vacua. We finally explore a similar possibility around no-scale Minkowski points and discuss some examples.

Place, publisher, year, edition, pages
2015. no 10, 069
Keyword [en]
Flux compactifications, dS vacua in string theory, String Duality
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-267222DOI: 10.1007/JHEP10(2015)069ISI: 000363555500004OAI: oai:DiVA.org:uu-267222DiVA: diva2:872454
Funder
Swedish Research Council
Available from: 2015-11-19 Created: 2015-11-19 Last updated: 2017-12-01Bibliographically approved

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Danielsson, Ulf H.Dibitetto, GiuseppeVargas, Sergio. C.

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