Gaugino Condensation in N=1 Supergravity Models with Multiple Dilaton-Like Fields

Details Gaugino Condensation in N=1 Supergravity Models with Multiple Dilaton-Like Fields Gaugino Condensation in N=1 Supergravity Models with Multiple Dilaton-Like Fields

1999-05-17

arxiv.org/abs/hep-th/9905121v1

Phys.Rev. D60 (1999) 084010

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX, 17 pages, 2 eps figures

Scientific paper

10.1103/PhysRevD.60.084010

We study supersymmetry breaking by hidden-sector gaugino condensation in N=1 D=4 supergravity models with multiple dilaton-like moduli fields. Our work is motivated by Type I string theory, in which the low-energy effective Lagrangian can have different dilaton-like fields coupling to different sectors of the theory. We construct the effective Lagrangian for gaugino condensation and use it to compute the visible-sector gaugino masses. We find that the gaugino masses can be of order the gravitino mass, in stark contrast to heterotic string models with a single dilaton field.

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