Topological excitations in spinor Bose-Einstein condensates

Shunji Tuchiya, Susumu Kurihara

    Research output: Contribution to journalArticle

    16 Citations (Scopus)

    Abstract

    We investigate the properties of skyrmion in the ferromagnetic state of spin-1 Bose-Einstein condensates by means of the mean-field theory and show that the size of a skyrmion is fixed to the order of the healing length. It is shown that the interaction between two skyrmions with oppositely rotating spin textures is attractive when their separation is large, following a unique power-law behavior with a power of -7/2.

    Original languageEnglish
    Pages (from-to)1182-1185
    Number of pages4
    JournalJournal of the Physical Society of Japan
    Volume70
    Issue number5
    DOIs
    Publication statusPublished - 2001 May

    Keywords

    • Bose-Einstein condensation
    • Ferromagnetic state
    • Skyrmion
    • Spin degree of freedom
    • Spin texture

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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