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BSM

Seminar

Supersymmetric Double Field Theory: Stringy Reformulation of Supergravity

Park, J-H (Sogang University)
Thursday 16 February 2012, 11:30-12:15

Seminar Room 1, Newton Institute

Abstract

This talk aims to illustrate our recent supersymmetric extension of double field theory and its connection to supergravity. In terms of novel stringy differential geometry we propose, our action consists of five simple terms - two bosonic plus three fermionic - and manifests not only diffeomorphism and one-form gauge symmetry of B-field, but also O(10,10) T-duality as well as a direct product of two local Lorentz symmetries, SO(1,9) times SO(9,1). A gauge fixing that identifies the double local Lorentz groups reduces our action to the N=1 supergravity in ten dimensions.

Presentation

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