Abstract
A hidden isospin variable is coupled to the spin of particles observed in an EPR experiment. For spin-1/2 it is shown that isospin i≥3/2 is sufficient to ensure a locally realistic spin distribution. For spin-1, examples of violation of the Mermin-Schwarz inequalities in the case of i=0 are shown satisfied with isospin. The general feature of a softening of quantum nonlocality with isospin is suggested, as well as applications to quantum physics at high energy.
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Levine, R.Y. Isospin as a hidden variable. Found Phys 15, 667–676 (1985). https://doi.org/10.1007/BF00738294
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DOI: https://doi.org/10.1007/BF00738294