Local susy breaking induced by the GUT phase transition in the early universe

Details Local susy breaking induced by the GUT phase transition in the early universe Local susy breaking induced by the GUT phase transition in the early universe

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983phlb..129...67k&link_type=abstract

Physics Letters B, Volume 129, Issue 1-2, p. 67-71.

Physics

22

Scientific paper

We show that the confining properties of the grand unification theory (GUT) may induce a transition to a ground state where both local SUSY and gauge symmetry are broken. The super-Higgs field belongs to the adjoint representation which breaks gauge symmetry taking a VEV of the order of the grand unification scale MX. A suitable class of superpotentials is proposed. We show that the critical temperature of the phase transition is 1010 GeV. We get an approximate relation between MX and the gravitino mass: m3/2M ≅MX2 exp (-4π/bSU(5)αGUT).
Permanent address: Instituto de Estructura de la Materia, Serrano 119, Madrid-6, Spain.

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