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.


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


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