4.7 Article

The entropic quasi-de Sitter instability time from the distance conjecture

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PHYSICS LETTERS B
Volume 807, Issue -, Pages -

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ELSEVIER
DOI: 10.1016/j.physletb.2020.135580

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From the entropy argument for the dS swampland conjecture which connects the Gibbons -Hawking entropy bound with the distance conjecture, we find the entropic quasi-dS instability time given by 1/(root epsilon H-H)log(m(pl)/H) as the lifetime of quasi-dS spacetime. It depends on the slow-roll parameter, and contains the logarithmic factor log(m(pl)/H) which can be found in the scrambling (or decoherence) time as well. Such a logarithmic factor enhances the geodesic distance of the modulus from the mere Planck scale, and also possibly relaxes the bound on m(Pl)(2)del V-2/V. (C) 2020 The Author(s). Published by Elsevier B.V.

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