The Supermembrane with Central Charges on a G2 Manifold
Abstract
We construct the 11D supermembrane with topological central charges induced through an irreducible winding on a G2 manifold realized from the T7/Z2xZ2xZ2 orbifold construction. The hamiltonian H of the theory on a T7 target has a discrete spectrum. Within the discrete symmetries of H associated to large diffeomorphisms, the Z2xZ2xZ2 group of automorphisms of the quaternionic subspaces preserving the octonionic structure is relevant. By performing the corresponding identification on the target space, the supermembrane may be formulated on a G2 manifold, preserving the discretness of its supersymmetric spectrum. The corresponding 4D low energy effective field theory has N=1 supersymmetry.
Cite
@article{arxiv.0803.1827,
title = {The Supermembrane with Central Charges on a G2 Manifold},
author = {A. Belhaj and M. P. Garcia del Moral and A. Restuccia and A. Segui and J. P. Veiro},
journal= {arXiv preprint arXiv:0803.1827},
year = {2009}
}
Comments
Reviewed version. spectral propertis discussed, two more sections added, 27 pages,Latex