Superfluid-Mott insulator transition of spin-1 bosons in an optical lattice

Shunji Tsuchiya*, Susumu Kurihara, Takashi Kimura

*この研究の対応する著者

    研究成果: Article査読

    72 被引用数 (Scopus)

    抄録

    The spin-1 bosons interacting antiferromagnetically in an optical lattice were investigated to study the superfluid-Mott insulator (SF-MI) transition. The phase boundaries between SF and MI phase were calculated to study the SF-MI transition of spin-0 bosons to the spin-1 case. The zero-temperature phase diagram was obtained by a mean-field approximation, starting from the Bose-Hubbard tight-binding model for spin-1 bosons. The results show that the MI phase is strongly stabilized against the SF phase when the number of atoms per lattice is even.

    本文言語English
    ジャーナルPhysical Review A - Atomic, Molecular, and Optical Physics
    70
    4
    DOI
    出版ステータスPublished - 2004 10月

    ASJC Scopus subject areas

    • 原子分子物理学および光学
    • 物理学および天文学(全般)

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