Dark energy, Ricci-nonflat spaces, and the Swampland

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

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Dark energy, Ricci-nonflat spaces, and the Swampland

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Anchordoqui, Luis A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Antoniadis, Ignatios
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Lust, Dieter
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Soriano, Jorge F.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

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Citation

Anchordoqui, L. A., Antoniadis, I., Lust, D., & Soriano, J. F. (2021). Dark energy, Ricci-nonflat spaces, and the Swampland. Physics Letters B, 816, 136199. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2020-72.

Cite as: https://hdl.handle.net/21.11116/0000-000A-1AEA-2

Abstract

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.