U(N) Gauged N=2 Supergravity and Partial Breaking of Local N=2 Supersymmetry

Details U(N) Gauged N=2 Supergravity and Partial Breaking of Local N=2 Supersymmetry U(N) Gauged N=2 Supergravity and Partial Breaking of Local N=2 Supersymmetry

2006-03-23

arxiv.org/abs/hep-th/0603180v2

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.

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