Minimal Higgs branch for the breaking of half of the supersymmetries in N=2 supergravity

Ferrara, Sergio; Girardello, Luciano; Porrati, Massimo

doi:10.1016/0370-2693(95)01378-4

Minimal Higgs branch for the breaking of half of the supersymmetries in N=2 supergravity

Oct, 1995

6 pages

Published in:

Phys.Lett.B 366 (1996) 155-159

e-Print:

hep-th/9510074 [hep-th]

DOI:

10.1016/0370-2693(95)01378-4

Report number:

NYU-TH-95-10-02,
CERN-TH-95-268,
UCLA-95-TEP-33

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Abstract:

It is shown that the minimal Higgs sector of a generic N=2 supergravity theory with unbroken N=1 supersymmetry must contain a Higgs hypermultiplet and a vector multiplet. When the multiplets parametrize the quaternionic manifold SO(4,1)/SO(4), and the special Kahler manifold SU(1,1)/U(1), respectively, a vanishing vacuum energy with a sliding massive spin 3/2 multiplet is obtained. Potential applications to N=2 low energy effective actions of superstrings are briefly discussed.

Note:

7 pages, plain Latex Report-no: NYU-TH-95/10/02, CERN-TH/95-268, UCLA/95/TEP/33

supergravity
supersymmetry: spontaneously broken
Higgs model
potential: Kaehler
geometry: algebra

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