Monte Carlo simulation of a many-fermion study

D. Ceperley, G. V. Chester, M. H. Kalos

Research output: Contribution to journalArticlepeer-review

Abstract

The Metropolis Monte Carlo method is used to sample the square of an antisymmetric wave function composed of a product of a Jastrow wave function and a number of Slater determinants. We calculate variational energies for He3 and several models of neutron matter. The first-order Wu-Feenberg expansion is shown always to underestimate the energy, sometimes seriously. The phase diagram for ground-state Yukawa matter is determined. There is a class of Yukawa potentials which do not lead to a crystal phase at any density.

Original languageEnglish (US)
Pages (from-to)3081-3099
Number of pages19
JournalPhysical Review B
Volume16
Issue number7
DOIs
StatePublished - Jan 1 1977
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics

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