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

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概要

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• A variational Monte-Carlo method is formulated to study superconductivity instrongly correlated electrons. An application is made to the strongly correlated Hub-bard 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 thevarious choices examined, the d-wave-type superconductivity turns out to be the mostfavorable. The nature of the superconducting order parameter and spin correlationsis also examined.

• 社団法人日本物理学会の論文
• 1988-07-15

著者

• Yokoyama Hisatoshi

  Institute For Solid State Physics University Of Tokyo

• SHIBA Hiroyuki

  Theoretische Physik,ETH-Honggerberg

関連論文

• Variational Monte-Carlo Studies of Hubbard Model.I
• Hubbard Model in Strong Correlation Regime -Variational Monte-Carlo Studies on Singlet Liquid and Neel State-
• Variational Monte-Carlo Studies of Hubbard Model.II
• Variational Monte-Carlo Studies of Superconductivity in Strongly Correlated Electron Systems

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