Logical Pre- and Post-Selection paradoxes, measurement-disturbance and contextuality

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dc.creatorLeifer, M. S.
dc.creatorSpekkens, R. W.
dc.date2004-12-23
dc.date.accessioned2026-07-07T06:29:06Z
dc.date.available2026-07-07T06:29:06Z
dc.descriptionMany seemingly paradoxical effects are known in the predictions for outcomes of measurements made on pre- and post-selected quantum systems. A class of such effects, which we call ``logical pre- and post-selection paradoxes'', bear a striking resemblance to proofs of the Bell-Kochen-Specker theorem, which suggests that they demonstrate the contextuality of quantum mechanics. Despite the apparent similarity, we show that such effects can occur in noncontextual hidden variable theories, provided measurements are allowed to disturb the values of the hidden variables.
dc.description9 pages, paper presented at Quantum Structures 2004
dc.identifierhttps://arxiv.org/abs/quant-ph/0412179
dc.identifierhttp://arxiv.org/abs/quant-ph/0412179
dc.identifierProceedings of QS 2004, Int. J. Theor. Phys. 44:1977-1987 (2005)
dc.identifierdoi:10.1007/s10773-005-8975-1
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/97919
dc.subjectQuantum Physics
dc.titleLogical Pre- and Post-Selection paradoxes, measurement-disturbance and contextuality
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