Strongly correlated electrons studied by numerical and scaling approaches

Masatoshi Imada*

*この研究の対応する著者

研究成果: Article査読

抄録

I review recent progress in understanding metal-insulator transitions of strongly correlated electron systems. In particular, using improved algorithms of quantum Monte Carlo calculations, the universality class of the transition between the Mott insulator and metals in two dimensions has been clarified and analyzed numerically and compared with the prediction from the scaling theory. It shows the existence of new universality class of the metal-insulator transition characterized by unusual suppression of coherence in the metallic side due to a large dynamical exponent. Its relevance to understand the unusual metallic states near the Mott insulator widely observed in transition metal compounds such as high-Tc cuprates and manganites is discussed.

本文言語English
ページ(範囲)S292-S297
ジャーナルJournal of the Korean Physical Society
31
SUPPL. 3
出版ステータスPublished - 1997 12 1
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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