Abstract
Fuzzy amplitude densities are employed to obtain probability distributions for measurements that are not perfectly accurate. The resulting quantum probability theory is motivated by the path integral formalism for quantum mechanics. Measurements that are covariant relative to a symmetry group are considered. It is shown that the theory includes traditional as well as stochastic quantum mechanics.
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Gudder, S. Fuzzy amplitude densities and stochastic quantum mechanics. Found Phys 19, 293–317 (1989). https://doi.org/10.1007/BF00734561
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DOI: https://doi.org/10.1007/BF00734561