The one-loop vacuum energy is computed for a class of perturbative string vacua where supersymmetry is spontaneously broken by a stringy Scherk-Schwarz deformation. The spectrum of light excitations is tachyon-free and the generated quantum potential exhibits an anti de Sitter minimum where the geometric moduli are naturally stabilised.
Scherk-Schwarz reductions and their quantum moduli space
ANGELANTONJ, Carlo
2007-01-01
Abstract
The one-loop vacuum energy is computed for a class of perturbative string vacua where supersymmetry is spontaneously broken by a stringy Scherk-Schwarz deformation. The spectrum of light excitations is tachyon-free and the generated quantum potential exhibits an anti de Sitter minimum where the geometric moduli are naturally stabilised.
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