Generalised space-time and duality

Details Generalised space-time and duality Generalised space-time and duality

2010-06-04

arxiv.org/abs/1006.0893v2

Physics

High Energy Physics

High Energy Physics - Theory

17 pages, a few typographical errors corrected

Scientific paper

In this paper we consider the previously proposed generalised space-time and investigate the structure of the field theory upon which it is based. In particular, we derive a SO(D,D) formulation of the bosonic string as a non-linear realisation at lowest levels of the semi-direct product of E11 with the first fundamental representation l1. We give a Hamiltonian formulation of this theory and carry out its quantisation. We argue that the choice of representation of the quantum theory breaks the manifest SO(D,D) symmetry but that the symmetry is manifest in a non-commutative field theory. We discuss the implications for the conjectured E11 symmetry and the role of the l1 representation.

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