Variational monte carlo study for superconductivity in multi-orbital systems

Hiroshi Watanabe, Tomonori Shirakawa, Seiji Yunoki

研究成果: Article査読

1 被引用数 (Scopus)

抄録

To understand the mechanism of superconductivity in iron-based superconductors in a minimal model, we have studied the two-orbital Hubbard model in a two-dimensional square lattice with variational Monte Carlo method. We have found that the s+- wave symmetry, where the gap function changes its sign between hole and electron pockets, is favored among the various pairing symmetries. We have also discussed the mechanism of the s+- wave superconductivity.

本文言語English
論文番号022134
ジャーナルJournal of Physics: Conference Series
400
PART 2
DOI
出版ステータスPublished - 2012
外部発表はい

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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