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arXiv 1509.07589math-phmath.MP
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3-与可解33-顶点模型相关的状态哈密顿量

3-state Hamiltonians associated to solvable 33-vertex models

N. Crampe, L. Frappat, E. Ragoucy, M. Vanicat

摘要:

利用嵌套坐标系Bethe变换,研究了33顶点模型,其中只存在一个具有简并本征值的整体荷,每个格点具有三个内部自由度。在马尔可夫过程的背景下,它们对应于具有两种可能的内部状态的扩散粒子,这些状态可以在扩散(嬗变)期间交换。第一步的嵌套坐标Bethe anomaly的执行提供的特征值的rapidities。我们给出了保证计算一致性的约束条件。这些快速性也满足包含$4\times 4$ R-矩阵的Bethe方程,这意味着对模型有新的约束。我们解决它们,让我们列出所有可解的33顶点模型。

英文摘要:

Using the nested coordinate Bethe ansatz, we study 33-vertex models, where only one global charge with degenerate eigenvalues exists and each site possesses three internal degrees of freedom. In the context of Markovian processes, they correspond to diffusing particles with two possible internal states which may be exchanged during the diffusion (transmutation). The first step of the nested coordinate Bethe ansatz is performed providing the eigenvalues in terms of rapidities. We give the constraints ensuring the consistency of the computations. These rapidities also satisfy Bethe equations involving $4\times 4$ R-matrices, solutions of the Yang--Baxter equation which implies new constraints on the models. We solve them allowing us to list all the solvable 33-vertex models.

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