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Multi-leg integrable ladder models |
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| Institution: | 1. State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan Province, China;2. Hubei Provincial Key Laboratory for Protection and Application of Special Plants in Wuling Area of China, College of Life Sciences, South Central University for Nationalities, Wuhan 430064, Hubei Province, China;3. College of Life Sciences, Henan Normal University, Xinxiang 453007, Henan Province, China |
| Abstract: | We construct integrable spin chains with inhomogeneous periodic disposition of the anisotropy parameter. The periodicity holds for both auxiliary (space) and quantum (time) directions. The integrability of the model is based on a set of coupled Yang–Baxter equations. This construction yields P-leg integrable ladder Hamiltonians. We analyse the corresponding quantum group symmetry and present algebraic Bethe ansatz (ABA) solution. |
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