Subsystem dynamics in mixed quantum-classical systems

Mohamad Toutounji, Raymond Kapral

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

Starting with the mixed quantum-classical Liouville equation, projection operator methods are used to derive an equation of motion for a quantum subsystem dissipatively interacting with a classical bath. The resulting generalized master equation is reduced to the Lindblad equation after making a Markovian approximation in the weak coupling limit. The bath subsystem dynamics is studied from a similar perspective. For situations where the classical subsystem consists of few degrees of freedom, or one is interested in the nature of the modifications of its dynamics as a result of coupling to a large, rapidly relaxing quantum bath, a classical analog of the Lindblad equation is derived and discussed.

Original languageEnglish
Pages (from-to)79-89
Number of pages11
JournalChemical Physics
Volume268
Issue number1-3
DOIs
Publication statusPublished - Jun 15 2001
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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