Regular Article – Theoretical Physics
T-folds as Poisson–Lie plurals
Department of Physics, Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Br̆ehová 7, 115 19, Prague 1, Czech Republic
2 Department of Applied Mathematics, Faculty of Information Technology, Czech Technical University in Prague, Thákurova 9, 160 00, Prague 6, Czech Republic
Accepted: 5 September 2020
Published online: 26 September 2020
In previous papers we have presented many purely bosonic solutions of Generalized Supergravity Equations obtained by Poisson–Lie T-duality and plurality of flat and Bianchi cosmologies. In this paper we focus on their compactifications and identify solutions that can be interpreted as T-folds. To recognize T-folds we adopt the language of Double Field Theory and discuss how Poisson–Lie T-duality/plurality fits into this framework. As a special case we confirm that all non-Abelian T-duals can be compactified as T-folds.
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