Nonperturbative de Sitter vacua via α′ corrections

DOI10.1142/S0218271819430028zbMATH Open1433.83043arXiv1905.06583MaRDI QIDQ4960310

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Publication date: 15 April 2020

Published in: (Search for Journal in Brave)

Abstract: The higher-derivative $alph{a}^{\prime }$ corrections consistent with $O(d,d)$ duality invariance can be completely classified for cosmological, purely time-dependent backgrounds. This result is used to show that there are duality invariant theories featuring string-frame de Sitter vacua as solutions that are non-perturbative in $alph{a}^{\prime }$, thus suggesting that classical string theory may realize de Sitter solutions in an unexpected fashion.

Full work available at URL: https://arxiv.org/abs/1905.06583

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