Monte Carlo methods for the nuclear shell model

C. W. Johnson, S. E. Koonin, G. H. Lang, W. E. Ormand

Research output: Contribution to journalArticlepeer-review


We present novel Monte Carlo methods for treating the interacting shell model that allow exact calculations much larger than those heretofore possible. The two-body interaction is linearized by an auxiliary field; Monte Carlo evaluation of the resulting functional integral gives ground-state or thermal expectation values of few-body operators. The "sign problem" generic to quantum Monte Carlo calculations is absent in a number of cases. We discuss the favorable scaling of these methods with nucleon number and basis size and their suitability to parallel computation.

Original languageEnglish (US)
Pages (from-to)3157-3160
Number of pages4
JournalPhysical Review Letters
Issue number22
StatePublished - 1992

ASJC Scopus subject areas

  • General Physics and Astronomy


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