Supersymmetric analogue of BC_N type rational integrable models with polarized spin reversal operators
arXiv:1511.05909 · doi:10.1016/j.nuclphysb.2016.01.015
Abstract
We derive the exact spectra as well as partition functions for a class of type of spin Calogero models, whose Hamiltonians are constructed by using supersymmetric analogues of polarized spin reversal operators (SAPSRO). The strong coupling limit of these spin Calogero models yields type of Polychronakos-Frahm (PF) spin chains with SAPSRO. By applying the freezing trick, we obtain an exact expression for the partition functions of such PF spin chains. We also derive a formula which expresses the partition function of any type of PF spin chain with SAPSRO in terms of partition functions of several type of supersymmetric PF spin chains, where . Subsequently we show that an extended boson-fermion duality relation is obeyed by the partition functions of the type of PF chains with SAPSRO. Some spectral properties of these spin chains, like level density distribution and nearest neighbour spacing distribution, are also studied.
arXiv comment36 pages, 2 figures. arXiv admin note: text overlap with arXiv:1402.2759
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