Supersymmetry breaking with vanishing F-terms in supergravity theories

Gia Dvali, Alex Pomarol

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3 Citations (Scopus)

Abstract

In conventional supergravity theories, supersymmetry is broken by a non-zero F-term, and the cosmological constant is fine tuned to zero by a constant in the superpotential W. We discuss a class of supergravity theories with vanishing F-terms but 〈W〉 ≠ 0 being generated dynamically. The cosmological constant is assumed to be cancelled by a non-zero D-term. In this scenario the gravity-mediated soft masses depend only on a single parameter, the gravitino mass. They are automatically universal, independently of the Káhler metric, and real. Thus, dangerous flavor or CP violating interactions are suppressed. Unlike in conventional supergravity models, the Polonyi problem does not arise. © 1997 Elsevier Science B.V.
Original languageEnglish
Pages (from-to)160-166
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume410
DOIs
Publication statusPublished - 2 Oct 1997

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