One-dimensional S = 1 Spin-Orbital Model with Uniaxial Single-Ion Anisotropy

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Author(s)

Abstract

We investigate ground-state properties of a one-dimensional S=1 spin-orbital model with or without uniaxial single-ion anisotropy. By means of the density matrix renormalization group method, we compute the ground-state energy, the magnetization curves and the correlation functions. We discuss how the ground-state properties depend on the two exchange couplings for orbital and spin sectors. The phase diagramobtained is compared with that for the S=1/2 model. We also address the effect of uniaxial single-ion anisotropy.

Journal

  • Journal of the Physical Society of Japan

    Journal of the Physical Society of Japan 74(2), 758-764, 2005-02-15

    The Physical Society of Japan (JPS)

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Codes

  • NII Article ID (NAID)
    110001979443
  • NII NACSIS-CAT ID (NCID)
    AA00704814
  • Text Lang
    ENG
  • Article Type
    ART
  • ISSN
    00319015
  • NDL Article ID
    7251642
  • NDL Source Classification
    ZM35(科学技術--物理学)
  • NDL Call No.
    Z53-A404
  • Data Source
    CJP  NDL  NII-ELS 
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