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Dark energy and string theory

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dc.contributor.authorBerglund, Peren
dc.contributor.authorHübsch, Tristanen
dc.contributor.authorMinic, Djordjeen
dc.contributor.departmentPhysicsen
dc.date.accessioned2020-02-07T14:34:38Zen
dc.date.available2020-02-07T14:34:38Zen
dc.date.issued2019-11-10en
dc.description.abstractA radiatively stable de Sitter spacetime is constructed by considering an intrinsically non-commutative and generalized-geometric formulation of string theory, which is related to a family of F-theory models endowed with non-trivial anisotropic axion-dilaton backgrounds. In particular, the curvature of the canonically conjugate dual space provides for a positive cosmological constant to leading order, that satisfies a radiatively stable see-saw-like formula, which in turn induces the dark energy in the observed spacetime. We also comment on the non-commutative phase of the non-perturbative formulations of string theory/quantum gravity implied by this approach.en
dc.description.notesPB thanks the Simons Center for Geometry and Physics and the CERN Theory Group, and TH the Department of Physics, University of Maryland, and the Physics Department of the University of Novi Sad, Serbia, for hospitality and resources. DM thanks L. Freidel and R. G. Leigh for collaboration and the Julian Schwinger Foundation for support.en
dc.description.sponsorshipJulian Schwinger Foundationen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1016/j.physletb.2019.134950en
dc.identifier.eissn1873-2445en
dc.identifier.issn0370-2693en
dc.identifier.otherUNSP 134950en
dc.identifier.urihttp://hdl.handle.net/10919/96760en
dc.identifier.volume798en
dc.language.isoenen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.titleDark energy and string theoryen
dc.title.serialPhysics Letters Ben
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.dcmitypeStillImageen

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