Special holonomy sigma models with boundaries
arXiv:hep-th/0507035 · doi:10.1088/1126-6708/2006/01/159
Abstract
A study of (1,1) supersymmetric two-dimensional non-linear sigma models with boundary on special holonomy target spaces is presented. In particular, the consistency of the boundary conditions under the various symmetries is studied. Models both with and without torsion are discussed.
20 pages. Minor errors corrected, some new results on the symmetry algebra added, and a connection for the bi-G_2 structure derived