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Wigner trajectories and Liouville's theorem (1993)

Sala, R. ; Brouard, S. ; Muga, J. G.

College Park, Md. : American Institute of Physics (AIP)

The Journal of Chemical Physics 99 (1993), S. 2708-2714

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ISSN: 1089-7690

Source: AIP Digital Archive

Topics: Physics , Chemistry and Pharmacology

Notes: It is found that, in general, Wigner trajectories satisfy Liouville's theorem only locally, i.e., for restricted phase space and time domains. This fact limits their possible applications. Examples are provided to visualize the process of creation and destruction of Wigner trajectories. It is argued that Weyl transforms of Heisenberg operators are, however, viable alternatives to Wigner trajectories, even though they do not satisfy Liouville's theorem either.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.465232

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