Cosmological Moduli Problem in a Supersymmetric Model with Direct Gauge Mediation

Details Cosmological Moduli Problem in a Supersymmetric Model with Direct Gauge Mediation Cosmological Moduli Problem in a Supersymmetric Model with Direct Gauge Mediation

1998-07-07

arxiv.org/abs/hep-ph/9807265v1

Phys.Rev. D58 (1998) 124008

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1103/PhysRevD.58.124008

Recently, an interesting class of the direct gauge mediation supersymmetry (SUSY) breaking models are proposed, in which the minimum of the potential of the SUSY breaking field is determined by the inverted hierarchy mechanism. We consider their cosmological implications. In this class of models, SUSY breaking field has a very flat potential, which may have a cosmological importance. Assuming the initial amplitude of the SUSY breaking field to be of the order of the Planck scale, it can be a source of a large entropy production. A special attention is paid to the cosmological moduli problem, and we will see the cosmological mass density of the moduli field can be significantly reduced.

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