Completeness of singlet pair states for quantum spin systems

W.J. Caspers

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    It is shown that for an arbitrary subdivision of an antiferromagnetic spin- lattice into two subsystems every singlet state can be expressed as a linear combination of single pair states (SPS). These SPS states are products of singlet states for a pair of representatives of either subsystem.
    Original languageEnglish
    Pages (from-to)303-306
    JournalPhysics letters A
    Issue number5-6
    Publication statusPublished - 1989


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