Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-10-13
Phys.Lett. B451 (1999) 317-323
Physics
High Energy Physics
High Energy Physics - Phenomenology
Some typos and statements are corrected; to appear in Phys. Lett. B
Scientific paper
10.1016/S0370-2693(99)00213-0
We investigate cosmological moduli problem in the gauge-mediated supersymmetry breaking (GMSB). A mini-inflation (oscillating inflation) takes place when a scalar field corresponding to the flat direction in GMSB oscillates along the logarithmic potential induced by the gauge-mediation mechanism. It is shown that this oscillating inflation can sufficiently dilute the relic abundance of the string moduli for some ranges of parameters in the GMSB models.
Asaka Takehiko
Kawasaki Masahiro
Yamaguchi Masahide
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