Operator formalism in statistical mechanics

Elliott Lieb

Research output: Contribution to journalArticlepeer-review


We consider the configuration partition function, ZN, of a classical imperfect gas of particles having rigid cores. The rigid cores result in a geometric simplification which makes it possible to find a finite recursion relation between ZN and ZN-1. From this, it is possible to express ZN in terms of the vacuum expectation value of a finite Boson operator raised to the Nth power, N being the number of particles.

Original languageEnglish (US)
Pages (from-to)341-343
Number of pages3
JournalJournal of Mathematical Physics
Issue number3
StatePublished - 1961

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Mathematical Physics


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