{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,28]],"date-time":"2026-02-28T04:22:12Z","timestamp":1772252532500,"version":"3.50.1"},"reference-count":38,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2018,5,14]],"date-time":"2018-05-14T00:00:00Z","timestamp":1526256000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Franklin Fetzer Foundation","award":["Fetzer Pioneers award"],"award-info":[{"award-number":["Fetzer Pioneers award"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Entropy"],"abstract":"<jats:p>There has been a recent revival of interest in the notion of a \u2018trajectory\u2019 of a quantum particle. In this paper, we detail the relationship between Dirac\u2019s ideas, Feynman paths and the Bohm approach. The key to the relationship is the weak value of the momentum which Feynman calls a transition probability amplitude. With this identification we are able to conclude that a Bohm \u2018trajectory\u2019 is the average of an ensemble of actual individual stochastic Feynman paths. This implies that they can be interpreted as the mean momentum flow of a set of individual quantum processes and not the path of an individual particle. This enables us to give a clearer account of the experimental two-slit results of Kocsis et al.<\/jats:p>","DOI":"10.3390\/e20050367","type":"journal-article","created":{"date-parts":[[2018,5,15]],"date-time":"2018-05-15T03:29:34Z","timestamp":1526354974000},"page":"367","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Feynman Paths and Weak Values"],"prefix":"10.3390","volume":"20","author":[{"given":"Robert","family":"Flack","sequence":"first","affiliation":[{"name":"Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK"}]},{"given":"Basil","family":"Hiley","sequence":"additional","affiliation":[{"name":"Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK"}]}],"member":"1968","published-online":{"date-parts":[[2018,5,14]]},"reference":[{"key":"ref_1","unstructured":"Landau, L.D., and Lifshitz, E.M. (1977). 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