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arXiv 1608.05072nlin.SIcond-mat.stat-mechhep-thmath-phmath.MP
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具有$U_q[osp^{(2)}(2|2m)]$对称性的反射矩阵

Reflection matrices with $U_q[osp^{(2)}(2|2m)]$ symmetry

R. S. Vieira, A. Lima-Santos

摘要:

我们提出了一个分类的反射$K$ -矩阵(边界杨巴克斯特方程的解决方案)的$U_{q}[\mathrm{osp}^{\left(2\right)}\left(2|2m\right)]=U_{q}[C^{\left(2\right)}\left(m+1\right)]$顶点模型。我们找到了四类解,即反射$K$ -矩阵中没有元素为零的完全解、块对角解、$X$ -形解和对角解。我们强调,这些对角$K$矩阵也适用于$U_{q}[\mathrm{osp}^{\left(2\right)}\left(2n+2|2m\right)]=U_{q}[D^{\left(2\right)}\left(n+1,m\right)]$顶点模型。

英文摘要:

We propose a classification of the reflection $K$-matrices (solutions of the boundary Yang-Baxter equation) for the $U_{q}[\mathrm{osp}^{\left(2\right)}\left(2|2m\right)]=U_{q}[C^{\left(2\right)}\left(m+1\right)]$ vertex-model. We have found four families of solutions, namely, the complete solutions, in which no elements of the reflection $K$-matrix is null, the block-diagonal solutions, the $X$-shape solutions and the diagonal solutions. We highlight that these diagonal $K$-matrices also hold for the $U_{q}[\mathrm{osp}^{\left(2\right)}\left(2n+2|2m\right)]=U_{q}[D^{\left(2\right)}\left(n+1,m\right)]$ vertex-model.

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