Exactly solvable su(N) mixed spin ladders
classification
❄️ cond-mat.stat-mech
keywords
laddermixedspin-1interactionssolvablespinansatzappear
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It is shown that solvable mixed spin ladder models can be constructed from su(N) permutators. Heisenberg rung interactions appear as chemical potential terms in the Bethe Ansatz solution. Explicit examples given are a mixed spin-1/2 spin-1 ladder, a mixed spin-1/2 spin-3/2 ladder and a spin-1 ladder with biquadratic interactions.
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