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On the Wigner representation of a quantummechanical system with rotational degrees of freedom. II

Authors
Publisher
Elsevier B.V.
Publication Date
Volume
47
Issue
3
Identifiers
DOI: 10.1016/0031-8914(70)90275-2
Disciplines
  • Physics

Abstract

Abstract A quantummechanical system consisting of rigid bodies with three different moments of inertia (asymmetric top) is considered. Recently St. Pierre and Steele introduced a Wigner distribution function for this system. In the present paper a Wigner equivalent corresponding to an arbitrary quantummechanical operator of this system is defined in a somewhat more explicit way. It is shown that the trace of an operator can be replaced by the phase-space integral of its Wigner equivalent, and the way in which the product of two operators can be written as a phase-space integral is given.

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