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    • Algebraic properties of an integrable t-J model with impurities 

      Foerster, Angela; Links, Jon; Tonel, Arlei Prestes (1999) [Journal article]
      We investigate the algebraic structure of a recently proposed integrable t-J model with impurities. Three forms of the Bethe ansatz equations are presented corresponding to the three choices for the grading. We prove that ...