Supercosmology revitalized

Details Supercosmology revitalized Supercosmology revitalized

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phlb..197..355c&link_type=abstract

Physics Letters B, Volume 197, Issue 3, p. 355-362.

Physics

25

Scientific paper

Strong coupling effects can avert excess entropy production in supersymmetric models with a large intermediate scale due to symmetry breaking along a flat direction in the effective potential. This is because strong-coupling effects may break supersymmetry giving a large vacuum energy which destabilizes the symmetric field configuration. Alternatively, the reduced number of degrees of freedom in the confined phase destabilized the symmetric field configuration at a high temperature T>>mw. This principle is exhibited in a simple supersymmetric flipped SU(5)×U(1) GUT model inspired by the superstring. Compatible scenarios for baryosynthesis are briefly discussed.

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