Abstract
According to the causal interpretation of quantum mechanics, one can precisely define the state of an individual particle in a many-body system by its position, momentum, and spin. It is shown in the EPR spin experiment that the quantum torque brings about an instantaneous change in the state of one of the particles when the other undergoes a local interaction, but that such a transfer of “information” cannot be extracted by any experiment subject to the laws of quantum mechanics.
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Dedicated to David Bohm on the occasion of his 70th birthday.
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Holland, P.R., Vigier, J.P. The quantum potential and signalling in the Einstein-Podolsky-Rosen experiment. Found Phys 18, 741–750 (1988). https://doi.org/10.1007/BF00734154
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DOI: https://doi.org/10.1007/BF00734154