Gaugino Condensation with a Doubly Suppressed Gravitino Mass
Valeri Lowen, Hans Peter Nilles, Andrea Zanzi
TL;DR
This paper explores how gaugino condensation in heterotic string theory can produce models with a very small gravitino mass, potentially at the TeV scale, impacting particle physics and cosmology.
Contribution
It introduces a mechanism for achieving a doubly suppressed gravitino mass through gaugino condensation, offering new insights into supersymmetry breaking.
Findings
TeV scale gravitino possible from grand unified scale condensate
Models with doubly suppressed gravitino mass analyzed
Implications for particle physics and cosmology discussed
Abstract
Supersymmetry breakdown via gaugino condensation in heterotic string theory can lead to models with a doubly suppressed gravitino mass. A TeV scale gravitino can emerge from a condensate as large as the grand unified scale. We analyze the properties of these models and discuss applications for particle physics and cosmology.
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