Title

Operational approach to phase-space measurements in quantum mechanics

Document Type

Article

Publication Date

12-1-1984

Abstract

Wódkiewicz1 has derived an operational formula for a positive phase-space distribution function in quantum mechanics (see also ref. 2). Here we point out that the proposed formula is actually a special case of a two-particle Wigner distribution function in which correlations have been neglected. We present a new operational formula which includes correlations. Also, we incorporate a brief description of the role and significance of quantum distribution functions in general. © 1984 Nature Publishing Group.

Publication Source (Journal or Book title)

Nature

First Page

257

Last Page

258

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