Supersymmetric Nambu-Jona-Lasinio Model in an External Gravitational Field

Details Supersymmetric Nambu-Jona-Lasinio Model in an External Gravitational Field Supersymmetric Nambu-Jona-Lasinio Model in an External Gravitational Field

1997-02-12

arxiv.org/abs/hep-th/9702097v1

Mod.Phys.Lett.A12:2271-2278,1997

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, Latex, epic.sty and eepic.sty are used

Scientific paper

10.1142/S021773239700234X

We investigate the effect of an external gravitational fields to the chiral symmetry breaking in the SUSY (supersymmetric) NJL (Nambu-Jona-Lasinio) model non-minimally interacting with external supergravity. Evaluating the effective potential in the leading order of the $1/N_{c}$-expansion and in the linear curvature approximation it is found the possibility of the chiral symmetry breaking in the SUSY NJL model in an external gravitational fields. In the broken phase the dynamically generated mass is analytically and numerically calculated.

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