Cosmological constraints on perturbative supersymmetry breaking

Details Cosmological constraints on perturbative supersymmetry breaking Cosmological constraints on perturbative supersymmetry breaking

Sep 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ccps.book.....a&link_type=abstract

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Mathematics

Logic

Broken Symmetry, Cosmology, Perturbation Theory, String Theory, Supersymmetry, Gravitons, Nuclear Fusion, Scalars

Scientific paper

The authors discuss the cosmology of string models with perturbative supersymmetry breaking at a scale of O(TeV). Such models exhibit Kaluza-Klein like spectra and contain unstable massive gravitinos/gravitons. The authors find that considerations of primordial nucleosynthesis constrain the maximum temperature following inflation to be not much larger than the supersymmetry breaking scale. This imposes conflicting requirements on the scalar field driving inflation, making it rather difficult to construct a consistent cosmological history for such models.

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