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A Non-Negative Wigner-Type Distribution

Cartwright, N.D.

Authors



Abstract

The Wigner function, which is commonly used as a joint distribution for non-commuting observables, is shown to be non-negative in all quantum states when smoothed with a gaussian whose variances are greater than or equal to those of the minimum uncertainty wave packet.

Citation

Cartwright, N. (1975). A Non-Negative Wigner-Type Distribution. Physica A: Statistical Mechanics and its Applications, 83(1), 210-212. https://doi.org/10.1016/0378-4371%2876%2990145-x

Journal Article Type Article
Publication Date 1975
Deposit Date Aug 25, 2015
Journal Physica A: Statistical Mechanics and its Applications
Print ISSN 0378-4371
Electronic ISSN 1873-2119
Publisher Elsevier
Volume 83
Issue 1
Pages 210-212
DOI https://doi.org/10.1016/0378-4371%2876%2990145-x
Public URL https://durham-repository.worktribe.com/output/1403663