Generalized dualities for heterotic and type I strings

A bstract We define generalized dualities for heterotic and type I strings based on consistent truncations to half-maximal gauged supergravities in more than three dimensions. The latter are constructed from a generalized Scherk-Schwarz ansatz in heterotic double field theory that satisfies the stro...

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Bibliographic Details
Published in:The journal of high energy physics 2024-08, Vol.2024 (8), p.59-43, Article 59
Main Authors: Hassler, Falk, Sakatani, Yuho, Scala, Luca
Format: Article
Language:English
Subjects:
Classical and Quantum Gravitation
Elementary Particles
Field theory
Lie groups
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Regular Article - Theoretical Physics
Relativity Theory
Spacetime
String Duality
String Theory
Strings
Superstrings and Heterotic Strings
Tensors
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Summary:A bstract We define generalized dualities for heterotic and type I strings based on consistent truncations to half-maximal gauged supergravities in more than three dimensions. The latter are constructed from a generalized Scherk-Schwarz ansatz in heterotic double field theory that satisfies the strong constraint. Necessary and sufficient conditions on the resulting embedding tensor are discussed, showing that only certain gaugings, called geometric, can arise from this procedure. For all of them, we explicitly construct the internal geometry and gauge potentials. In general, this construction is not unique and permits different uplifts which are used to define generalized T-duality. Two examples are worked out underlying the utility of our approach to explore new dualities and uplifts of half-maximal gauged supergravities.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP08(2024)059