R-symmetry Breaking and O'Raifeartaigh Model with Global Symmetries at Finite Temperature
arXiv:1103.4716 · doi:10.1103/PhysRevD.84.125036
Abstract
We investigate finite temperature effects in O'Raifeartaigh models with global symmetries which exhibit supersymmetry breaking at a meta-stable vacuum accompanied by breaking. The pseudo moduli field is stabilized at one-loop order at zero temperature within some coupling parameter region. We analyze the behavior of the parameter space according to non-zero temperatures and find that the parameter region which allows breaking is considerably extended at sufficiently low temperature, even though it shrinks down at high temperature as expected. We also discuss the thermal history of the meta-stable supersymmetry breaking vacuum.
19 pages, 18 figures; clarifications and references added, some explanatory figures omitted, final version published in Phys. Rev. D
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