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cond-mat.stat-mech2001
Integrable Impurity Spin Ladder Systems
Arlei Prestes Tonel, Angela Foerster, Xi-Wen Guan +1
Two integrable spin ladder systems with different types of impurities are proposed. The impurities are introduced in such a way that the integrability of the models is not violated…
cond-mat.stat-mech2000
Integrable generalised spin ladder models
Angela Foerster, Jon Links, Arlei Prestes Tonel
We present two new integrable spin ladder models which posses three general free parameters besides the rung coupling J. Wang's systems based on the SU(4) and SU(3/1) symmetries ca…