Hyper-Kahler Sigma Models on (Co)tangent Bundles with SO(n) isometry
arXiv:hep-th/0602277 · doi:10.1016/j.nuclphysb.2006.03.033
Abstract
We construct N=2 supersymmetric nonlinear sigma models whose target spaces are tangent as well as cotangent bundles over the quadric surface Q^{n-2} = SO(n)/[SO(n-2)\times U(1)]. We use the projective superspace framework, which is an off-shell formalism of N=2 supersymmetry.
33 pages, 1 figure, typos corrected, to appear in Nucl. Phys. B
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