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

Masatoshi Imada

doi:10.1143/JPSJ.57.3128

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

Masatoshi Imada^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

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-T_c 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 language	English
Pages (from-to)	3128-3140
Number of pages	13
Journal	journal of the physical society of japan
Volume	57
Issue number	9
DOIs	https://doi.org/10.1143/JPSJ.57.3128
Publication status	Published - 1988 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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AB - 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.

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

Abstract

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