Abstract
A recently formulated concept of stochastic localizability is shown to be consistent with a concept of stochastic microcausality, which avoids the conclusions of Hegerfeldt's no-go theorem as to the inconsistency of sharp localizability of quantum particles and Einstein causality. The proposed localizability on quantum space-time is shown to lead to strict asymptotic causality. For finite time evolutions, upper bounds on propagation to the exterior of stochastic light cones are derived which show that the resulting probabilities are too small to be actually observable in a realistic context.
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Supported by an NSERC Fellowship.
Suported in part by NSERC research grant No. A5206.
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Greenwood, D.P., Prugovečki, E. Stochastic microcausality in relativistic quantum mechanics. Found Phys 14, 883–906 (1984). https://doi.org/10.1007/BF00737555
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DOI: https://doi.org/10.1007/BF00737555