MONTE CARLO STUDIES OF CRYSTALLINE HELIUM.

David M Ceperley, G. V. Chester, M. H. Kalos, P. A. Whitlock

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Results for properties of solid helium at zero temperature are presented. Most of the data were obtained by a Monte Carlo method which gives an exact solution of the Schroedinger equation. For helium 4 we exhibit the energy as a function of the density, the properties of the liquid-solid transition, the one-body density, the structure function, and the momentum distribution, calculated for an f. c. c. lattice. The agreement of the calculated thermodynamic properties with experiment is better than those calculated variationally, but the Lennard-Jones potential does not give a quantitative description of helium 4. Differences between f. c. c. and h. c. p. phases do not explain the discrepancy. For helium 3, results of variational calculations using exactly antisymmetric trial functions are given.

Original languageEnglish
Title of host publicationJ Phys (Paris) Colloq
Pages1298-1304
Number of pages7
Volume39
Edition8
StatePublished - Aug 1 1978
Externally publishedYes
EventInt Conf on Low Temp Phys, 15th - Grenoble, Fr, USA
Duration: Aug 23 1978Aug 29 1978

Other

OtherInt Conf on Low Temp Phys, 15th
CityGrenoble, Fr, USA
Period8/23/788/29/78

ASJC Scopus subject areas

  • Engineering(all)

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