2-Dimensional Cyclic Representations of Uq(sl(2)), C-GCoefficients and a Free Fermion 8-Vertex Model

  • We give explicitly the 2-dimensional cyclic representations of quantum algebra Uq(sl(2)) with central extension. The C-G rule and the C-G coefficients are calculated and the intertwiner for tensor representations in different orders is constructed with C-G coefficients. This intertwiner is shown to be the R-matrix for an eight vertex model that satisfies the free Fermion condition and therefore gives an integrable model.
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Zhang Jun, Yang Guangcan and Yan Hong. 2-Dimensional Cyclic Representations of Uq(sl(2)), C-GCoefficients and a Free Fermion 8-Vertex Model[J]. Chinese Physics C, 1995, 19(12): 1084-1089.
Zhang Jun, Yang Guangcan and Yan Hong. 2-Dimensional Cyclic Representations of Uq(sl(2)), C-GCoefficients and a Free Fermion 8-Vertex Model[J]. Chinese Physics C, 1995, 19(12): 1084-1089. shu
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Received: 1900-01-01
Revised: 1900-01-01
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2-Dimensional Cyclic Representations of Uq(sl(2)), C-GCoefficients and a Free Fermion 8-Vertex Model

    Corresponding author: Zhang Jun,
  • Institute of Theoretical Physics,The Chinese Academy of Sciences, Beijing 100080

Abstract: We give explicitly the 2-dimensional cyclic representations of quantum algebra Uq(sl(2)) with central extension. The C-G rule and the C-G coefficients are calculated and the intertwiner for tensor representations in different orders is constructed with C-G coefficients. This intertwiner is shown to be the R-matrix for an eight vertex model that satisfies the free Fermion condition and therefore gives an integrable model.

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