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Quantum Physics

Title: Average local values and local variances in quantum mechanics

Abstract: Several definitions for the average local value and local variance of a quantum observable are examined and compared with their classical counterparts. An explicit way to construct an infinite number of these quantities is provided. It is found that different classical conditions may be satisfied by different definitions, but none of the quantum definitions examined is entirely consistent with all classical requirements.
Comments: 9 pages, no figures, LATEX
Subjects: Quantum Physics (quant-ph)
Journal reference: Phys.Lett. A238 (1998) 90
DOI: 10.1016/S0375-9601(97)00902-X
Report number: ULLFIS980102
Cite as: arXiv:quant-ph/9901041
  (or arXiv:quant-ph/9901041v1 for this version)

Submission history

From: [view email]
[v1] Fri, 15 Jan 1999 16:16:52 GMT (7kb)