Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2008-03-12
J.Phys.A42:325201,2009
Physics
High Energy Physics
High Energy Physics - Theory
Reviewed version. spectral propertis discussed, two more sections added, 27 pages,Latex
Scientific paper
10.1088/1751-8113/42/32/325201
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.
Belhaj Adil
del Moral Maria Pilar Garcia
Restuccia Alvaro
Segui Antonio
Veiro J. P.
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