Wigner method dynamics in the interaction picture

Research output: Contribution to journalJournal article – Annual report year: 1994Researchpeer-review

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The possibility of introducing an interaction picture in the semiclassical Wigner method is investigated. This is done with an interaction Picture description of the density operator dynamics as starting point. We show that the dynamics of the density operator dynamics as starting point. We show that the dynamics of the interaction picture Wigner function is solved by running a swarm of trajectories in the classical interaction picture introduced previously in the literature. Solving the Wigner method dynamics of collision processes in the interaction picture ensures that the calculated transition probabilities are unambiguous even when the asymptotic potentials are anharmonic. An application of the interaction picture Wigner method to a Morse oscillator interacting with a laser field is presented. The calculated transition probabilities are in good agreement with results obtained by a numerical integration of the Schrodinger equation.
Original languageEnglish
JournalJournal of Physical Chemistry
Issue number13
Pages (from-to)3272-3279
Publication statusPublished - 1994
CitationsWeb of Science® Times Cited: No match on DOI
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ID: 2406826