Partition function from the Green function

Y. Avishai, J. Richert

Research output: Contribution to journalLetterpeer-review


The partition function in quantum statistical mechanics can be expressed as an energy integral of exp(- beta E) times the discontinuity of the Green function. A Monte Carlo approach for its evaluation which is not based on path integral representation is suggested. The fermion problem is avoided in the sense that all integrands are positive. Some weak points are underlined. The authors also discuss the evaluation of statistical averages using the pertinent procedure.

Original languageEnglish
Pages (from-to)L751-L755
JournalJournal of Physics A: Mathematical and General
Issue number14
StatePublished - 1 Oct 1984
Externally publishedYes


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