Conceptual Inadequacy of the Shannon Information in Quantum Measurements

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dc.creatorBrukner, Caslav
dc.creatorZeilinger, Anton
dc.date2000-06-19
dc.date2002-04-05
dc.date.accessioned2026-07-07T12:37:46Z
dc.date.available2026-07-07T12:37:46Z
dc.descriptionIn a classical measurement the Shannon information is a natural measure of our ignorance about properties of a system. There, observation removes that ignorance in revealing properties of the system which can be considered to preexist prior to and independent of observation. Because of the completely different root of a quantum measurement as compared to a classical measurement conceptual difficulties arise when we try to define the information gain in a quantum measurement using the notion of Shannon information. The reason is that, in contrast to classical measurement, quantum measurement, with very few exceptions, cannot be claimed to reveal a property of the individual quantum system existing before the measurement is performed.
dc.description11 pages, 5 figures, important Ref. [6] is now cited in all appropriate places
dc.identifierhttps://arxiv.org/abs/quant-ph/0006087
dc.identifierhttp://arxiv.org/abs/quant-ph/0006087
dc.identifierPhys.Rev.A63:022113,2001
dc.identifierdoi:10.1103/PhysRevA.63.022113
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/218554
dc.subjectQuantum Physics
dc.titleConceptual Inadequacy of the Shannon Information in Quantum Measurements
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