Gauge mediated supersymmetry breaking and the cosmology of Left-Right symmetric model

Abstract

Left-Right symmetry including supersymmetry presents an important class of gauge models which may possess natural solutions to many issues of phenomenology. Cosmology of such models indicates a phase transition accompanied by domain walls. Such walls must be unstable in order to not conflict with standard cosmology, and can further be shown to assist with open issues of cosmology such as dilution of unwanted relic densities and leptogenesis. In this paper we construct a model of gauge mediated supersymmetry breaking in which parity breaking is also signalled along with supersymmetry breaking and so as to be consistent with cosmological requirements. It is shown that addressing all the stated cosmological issues requires an extent of fine tuning, while in the absence of fine tuning, leptogenesis accompanying successful completion of the phase transition is still viable.

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Cited by in corpus (5)

• Spontaneously broken parity and consistent cosmology with transitory domain walls
• New ultraviolet operators in supersymmetric SO(10) GUT and consistent cosmology
• Topological pseudodefects of a supersymmetric $SO(10)$ model and cosmology
• Spontaneous parity breaking and supersymmetry breaking in metastable vacua with consistent cosmology
• Why PeV scale left-right symmetry is a good thing