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Supersymmetric Double Field Theory: Stringy Reformulation of Supergravity

Presented by: 
J-H Park Sogang University
Date: 
Thursday 16th February 2012 - 11:30 to 12:15
Venue: 
INI Seminar Room 1
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.
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Presentation Material: 
University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons