Affiliation:
1. Brown Theoretical Physics Center and Department of Physics Brown University Providence RI 02912 USA
2. Department of Physics McGill University Montréal Québec H3A 2T8 Canada
3. Department of Physics Indian Institute of Technology Bombay Mumbai 400076 India
4. Department of Mathematical Sciences University of Liverpool Liverpool L69 7ZL UK
Abstract
AbstractRecent no‐go theorems have ruled out four‐dimensional classical de Sitter vacua in heterotic string theory. On the other hand, the absence of a well‐defined Wilsonian effective action and other related phenomena also appear to rule out such time‐dependent vacua with de Sitter isometries, even in the presence of quantum corrections. In this note, the authors argued that a four‐dimensional de Sitter space can still exist in heterotic string theory as a Glauber–Sudarshan state, i.e., as an excited state, over a supersymmetric Minkowski background, albeit within a finite temporal domain. Borel resummation and resurgence play a crucial role in constructing such a state in the Hilbert space of heterotic theory governed entirely by the IR degrees of freedom.
Funder
Simons Foundation
Natural Sciences and Engineering Research Council of Canada
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