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Type: Artigo de periódico
Title: Relative stability of hcp and fcc crystalline structures of He-4
Author: Vitiello, SA
Abstract: The relative stability of the hcp and fcc crystalline structures of He-4 is investigated using the Monte Carlo method. The calculations are made for a recent ab initio two-body interatomic potential and a given solid helium model. The results favor the experimentally observed hcp structure. Based on the reweighting technique, the correlated sampling methodology introduced is described. It is quite general and can be applied to other interatomic potentials, models of the solid phase, and quantum many-body systems.
Country: EUA
Editor: American Physical Soc
Citation: Physical Review B. American Physical Soc, v. 65, n. 21, 2002.
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.65.214516
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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