T-duality across non-extremal horizons

A bstract When applying T-duality to a generic, non-extreme Killing horizon, T-duality is spacelike on one side and timelike on the other. We show, using simple examples from four-dimensional Einstein-Maxwell theory, that the image of the horizon is a singularity which can be understood as an interf...

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Bibliographic Details
Published in:The journal of high energy physics 2024-09, Vol.2024 (9), p.116-40, Article 116
Main Authors: Médevielle, M., Mohaupt, T.
Format: Article
Language:English
Subjects:
Classical and Quantum Gravitation
Elementary Particles
Field theory
Geometry
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Regular Article - Theoretical Physics
Relativity Theory
Scalars
Singularities
Spacetime
String Duality
String Theory
Supergravity Models
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Summary:A bstract When applying T-duality to a generic, non-extreme Killing horizon, T-duality is spacelike on one side and timelike on the other. We show, using simple examples from four-dimensional Einstein-Maxwell theory, that the image of the horizon is a singularity which can be understood as an interface between two different T-dual theories and their solutions. Using an embedding into type-II string theory, we show that the singularity occurs when scalars reach the boundary of moduli space, resulting in a breakdown of the effective field theory due to the presence of tensionless strings.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP09(2024)116