University of Hertfordshire

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Double Field Theory and Geometric Quantisation

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Original languageEnglish
Article number59
Number of pages52
JournalJournal of High Energy Physics
Publication statusPublished - 9 Jun 2021


We examine various properties of double field theory and the doubled string sigma model in the context of geometric quantisation. In particular we look at T-duality as the symplectic transformation related to an alternative choice of polarisation in the construction of the quantum bundle for the string. Following this perspective we adopt a variety of techniques from geometric quantisation to study the doubled space. One application is the construction of the double coherent state that provides the shortest distance in any duality frame and a stringy deformed Fourier transform.


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