Effect of quantum correction in the Bose-Hubbard model

Hideki Matsumoto, Kiyoshi Takahashi, Yoji Ohashi

研究成果: Conference contribution

抜粋

Effects of quantum correction in the Bose-Hubbard model at finite temperature are investigated for a homogeneous atomic Bose gas in an optical lattice near its superfluid-insulator transition. Starting from a strong coupling limit, higher order quantum corrections due to the hopping interaction is included in a local approximation (a dynamical mean field approximation) of the non-crossing approximation. When the upper or lower Hubbard band approaches zero energy, there appears a shallow band in the middle of the Hubbard gap due to a strong correlation in the system.

元の言語English
ホスト出版物のタイトルLOW TEMPERATURE PHYSICS
ホスト出版物のサブタイトル24th International Conference on Low Temperature Physics - LT24
ページ53-54
ページ数2
DOI
出版物ステータスPublished - 2006 12 1
外部発表Yes
イベントLOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24 - Orlando, FL, United States
継続期間: 2006 8 102006 10 17

出版物シリーズ

名前AIP Conference Proceedings
850
ISSN(印刷物)0094-243X
ISSN(電子版)1551-7616

Other

OtherLOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24
United States
Orlando, FL
期間06/8/1006/10/17

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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  • これを引用

    Matsumoto, H., Takahashi, K., & Ohashi, Y. (2006). Effect of quantum correction in the Bose-Hubbard model. : LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24 (pp. 53-54). (AIP Conference Proceedings; 巻数 850). https://doi.org/10.1063/1.2354603