A Quantum Simulation Study of Superconducting Correlation in Electron Systems with Strong Correlation

Masatoshi Imada

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Abstract

Quantum simulation results of superconducting correlations for strongly correlated electron systems are reported. An extended-type Hubbard model to take account of the role of oxygen sites in the CuO2 plane of high-Tc oxides is studied primarily. Superconducting susceptibility shows a tendency of quantitative enhancement at lower temperatures in contrast with the case of the single-band Hubbard model. It shows that a coupled two-band system, one with strong and the other with weak correlation, is favorable for superconductivity. A possible connection between superconducting and antiferromagnetic correlation is also discussed.

Original languageEnglish
Pages (from-to)3128-3140
Number of pages13
Journaljournal of the physical society of japan
Volume57
Issue number9
DOIs
Publication statusPublished - 1988 Jan 1

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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