Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2006-03-23
Int.J.Mod.Phys.A21:6191-6210,2006
Physics
High Energy Physics
High Energy Physics - Theory
22 pages, a version to appear Int. J. Mod. Phys. A
Scientific paper
10.1142/S0217751X06034045
We study a minimal model of U(N) gauged N=2 supergravity with one hypermultiplet parametrizing SO(4,1)/SO(4) quaternionic manifold. Local N=2 supersymmetry is known to be spontaneously broken to N=1 in the Higgs phase of U(1)_{graviphoton} \times U(1). Several properties are obtained of this model in the vacuum of unbroken SU(N) gauge group. In particular, we derive mass spectrum analogous to the rigid counterpart and put the entire effective potential on this vacuum in the standard superpotential form of N=1 supergravity.
Itoyama Hiroshi
Maruyoshi Kazunobu
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