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arxiv: hep-th/0703281 · v1 · submitted 2007-03-29 · ✦ hep-th

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Supersymmetry Breaking, R-Symmetry Breaking and Metastable Vacua

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classification ✦ hep-th
keywords breakingsupersymmetryr-symmetrymetastablemodelsgenericallyspontaneousapproximate
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Models of spontaneous supersymmetry breaking generically have an R-symmetry, which is problematic for obtaining gaugino masses and avoiding light R-axions. The situation is improved in models of metastable supersymmetry breaking, which generically have only an approximate R-symmetry. Based on this we argue, with mild assumptions, that metastable supersymmetry breaking is inevitable. We also illustrate various general issues regarding spontaneous and explicit R-symmetry breaking, using simple toy models of supersymmetry breaking.

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