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Mixing-induced spontaneous supersymmetry breaking. (English) Zbl 1252.81096

Summary: It is conjectured that flavor mixing furnishes a universal mechanism for the spontaneous breaking of supersymmetry. The conjecture is proved explicitly for the mixing of two chiral N=1 supermultiplets and arguments for its general validity are given. That is an instance of the O’Raifeartaigh Lagrangian for which there is no tree-level nor perturbative breaking. Nonetheless, the dynamical breaking occurs due to the vacuum condensate, a mixing-induced nonperturbative effect that lifts the zero point energy.

MSC:

81T10 Model quantum field theories
81T60 Supersymmetric field theories in quantum mechanics
81R40 Symmetry breaking in quantum theory
37A25 Ergodicity, mixing, rates of mixing
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