Spontaneous parity breaking and supersymmetry breaking in metastable vacua with consistent cosmology

Details Spontaneous parity breaking and supersymmetry breaking in metastable vacua with consistent cosmology Spontaneous parity breaking and supersymmetry breaking in metastable vacua with consistent cosmology

2011-07-27

arxiv.org/abs/1107.5438v2

JHEP 1112:072,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, Journal version

Scientific paper

10.1007/JHEP12(2011)072

We study the compatibility of spontaneous breaking of parity and successful cosmology in a left-right symmetric model where supersymmetry breaking is achieved in metastable vacua. We show that domain walls formed due to this breaking can be removed due to Planck scale suppressed terms, provided the parity breaking scale $M_R$ is constrained to remain smaller than $10^{10}-10^{11}$ GeV. Ensuring metastability is achieved naturally even if the entire mechanism operates at low scales, within a few orders of magnitude of the TeV scale. Taking $M_R$ as high as permitted, close to the acceptable reheat temperature after inflation, would require the magnetic phase of the Supersymmetric Quantum Chromodynamics (SQCD) to have set in before the end of inflation.

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