Variational Monte-Carlo Studies of Superconductivity in Strongly Correlated Electron Systems

Hisatoshi Yokoyama, Hiroyuki Shiba

Research output: Contribution to journalArticlepeer-review

162 Citations (Scopus)

Abstract

A variational Monte-Carlo method is formulated to study superconductivity in strongly correlated electrons. An application is made to the strongly correlated Hubbard model on two-dimensional square lattice, by employing the simplest mean-field-type trial wave function, i.e. the Gutzwiller-projected BCS wave function. Among the various choices examined, the d-wave-type superconductivity turns out to be the most favorable. The nature of the superconducting order parameter and spin correlations is also examined.

Original languageEnglish
Pages (from-to)2482-2493
Number of pages12
Journaljournal of the physical society of japan
Volume57
Issue number7
DOIs
Publication statusPublished - 1988 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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