Dark energy, Ricci-nonflat spaces, and the Swampland

Dieter Lust; Ignatios Antoniadis; Jorge F. Soriano; Luis A. Anchordoqui

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Dark energy, Ricci-nonflat spaces, and the Swampland

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arxiv 2005.10075 v2 pith:NTZPMM4W submitted 2020-05-20 hep-th astro-ph.COhep-ph

Luis A. Anchordoqui , Ignatios Antoniadis , Dieter Lust , Jorge F. Soriano This is my paper · ORCID

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keywords constraintsdarkenergymodelstringswamplandbuildingconfrontation

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It was recently pointed out that the existence of dark energy imposes highly restrictive constraints on effective field theories that satisfy the Swampland conjectures. We provide a critical confrontation of these constraints with the cosmological framework emerging from the Salam-Sezgin model and its string realization by Cvetic, Gibbons, and Pope. We also discuss the implication of the constraints for string model building.

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