Exact results of dimerization order parameter in SU(n) antiferromagnetic chains

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    Abstract

    After a proper definition of the dimerization order parameter for a spins system, I show that this order parameter in the SU (n)
    (n=2S+ 1 ) antiferromagnetic chains (or equivalently the SU(2) spins chains with Hamiltonians which project out singlet
    states) is, in the thermodynamic limit, directly proportional to the staggered-magnetization in the corresponding spin-½ XXZ
    chains which had already been mapped onto the SU (n) chains
    Original languageEnglish
    Pages (from-to)437-440
    Number of pages4
    JournalPhysics Letters A
    Volume183
    Issue number5-6
    Publication statusPublished - Dec 1994

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