Separation of variables for quantum integrable systems on elliptic curves

Separation of variables for quantum integrable systems on elliptic curves
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椭圆曲线上量子可积系统的变量分离

DOI:
10.1088/0305-4470/32/46/302
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发表时间:
1999
期刊:
Journal of Physics A
影响因子:
--
通讯作者:
Anke Schorr
Anke Schorr
中科院分区:
--
文献类型:
--
作者:
G. Felder;Anke Schorr

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我们将 Sklyanin 的变量分离方法扩展到与椭圆曲线相关的量子可积模型。在回顾了微分情况、Enriquez、Feigin和Rubtsov研究的椭圆高丁模型之后,我们考虑了微分情况并找到了一类可以通过变量分离来解决特征值问题的传递矩阵。这些传递矩阵通过差分算子与椭圆量子群 E,(sl2) 的表示相关联。应用该方法的统计力学模型之一是具有反周期边界条件的圆面相互作用模型。传递矩阵的特征值作为高阶 theta 函数空间中二次方程组的解给出。
We extend Sklyanin's method of separation of variables to quantum integrable models associated to elliptic curves. After reviewing the differential case, the elliptic Gaudin model studied by Enriquez, Feigin and Rubtsov, we consider the difference case and find a class of transfer matrices whose eigenvalue problem can be solved by separation of variables. These transfer matrices are associated to representations of the elliptic quantum group E,(sl2) by difference operators. One model of statistical mechanics to which this method applies is the interaction-round-a-face model with antiperiodic boundary conditions. The eigenvalues of the transfer matrix are given as solutions of a system of quadratic equations in a space of higher-order theta functions.
Whittaker 向量的空间不可约性
DOI: --
发表时间: 2007
期刊:
影响因子: --
作者:
Ikehata;M and Ohe;T;松本久義
通讯作者: 松本久義