Path integrals, the ABL rule and the three-box paradox |
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Authors: | D Sokolovski I Puerto Giménez |
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Institution: | a School of Mathematics and Physics, Queen's University of Belfast, Belfast, BT7 1NN, United Kingdom b Departamento de Física Fundamental II, Universidad de La Laguna, La Laguna (S/C de Tenerife), Spain c IUdEA (Instituto Universitario de Estudios Avanzados), Universidad de La Laguna, La Laguna (S/C de Tenerife), Spain |
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Abstract: | The three-box problem is analysed in terms of virtual pathways, interference between which is destroyed by a number of intermediate measurements. The Aharonov-Bergmann-Lebowitz (ABL) rule is shown to be a particular case of Feynman's recipe for assigning probabilities to exclusive alternatives. The ‘paradoxical’ features of the three box case arise in an attempt to attribute, in contradiction to the uncertainty principle, properties pertaining to different ensembles produced by different intermediate measurements to the same particle. The effect can be mimicked by a classical system, provided an observation is made to perturb the system in a non-local manner. |
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Keywords: | 03 65 Ta 73 40 Gk |
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