Moduli Stabilization in Stringy ISS Models
Yu Nakayama, Masahito Yamazaki, T. T. Yanagida
TL;DR
This paper constructs a string theory model that stabilizes moduli and achieves metastable supersymmetry breaking with de-Sitter vacua, combining F-term and D-term mechanisms.
Contribution
It provides a novel stringy realization of the ISS model with moduli stabilization and de-Sitter vacua through gauging and flux tuning.
Findings
Moduli stabilized via gauged U(1) symmetry and D-term potential.
Supersymmetry broken by both F-terms and D-terms.
De-Sitter vacua with small cosmological constant achieved.
Abstract
We present a stringy realization of the ISS metastable SUSY breaking model with moduli stabilization. The mass moduli of the ISS model is stabilized by gauging of a U(1) symmetry and its D-term potential. The SUSY is broken both by F-terms and D-terms. It is possible to obtain de-Sitter vacua with a vanishingly small cosmological constant by an appropriate fine-tuning of flux parameters.
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