Dynamics of positive- and negative-mass solitons in optical lattices and inverted traps

H. Sakaguchi, B. A. Malomed

    研究成果: Contribution to journalArticle査読

    67 被引用数 (Scopus)

    抄録

    The dynamics of one-dimensional solitons in attractive and repulsive Bose-Einstein condensates (BEC), loaded into an optical lattice with an external parabolic potential, was discussed. It was analyzed that in repulsive BEC, where the soliton was of the gap type, its effective mass was negative. The motion of the soliton in a long system was also discussed. A bright optical solution in a self-defocusing medium with a periodic structure of the refractive index was found to be stable in an anti-waveguide.

    本文言語英語
    ページ(範囲)1443-1459
    ページ数17
    ジャーナルJournal of Physics B: Atomic, Molecular and Optical Physics
    37
    7
    DOI
    出版ステータス出版済み - 4 14 2004

    All Science Journal Classification (ASJC) codes

    • 原子分子物理学および光学
    • 凝縮系物理学

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