Application of general transport theories to model system

P. M. Clark*, P. Gluck, O. Wohlman-Entin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


We consider a simple model, the two-site small-polaron system, and show that its properties can be characterized by a master equation which is in accordance with recent quantum statistical theories of macroscopic observables. It is shown by a combination of formal and numerical analyses that the model is an example of a system describable by the lowest-order term in the expansion of the kernel of the master equation in powers of the ratio of the average polaron-phonon interaction energy to the microscopic phonon energy. We discuss the relevance of the method to actual physical systems.

Original languageEnglish
Pages (from-to)361-371
Number of pages11
JournalJournal of Statistical Physics
Issue number4
StatePublished - Apr 1973


  • Transport
  • macrostate
  • master equation
  • small polarons
  • small-parameter expansion


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