Discrete Hirota's equation in quantum integrable models

被引：32
|
作者：
Zabrodin, A
机构：
[1] Joint Inst Chem Phys, Moscow 117334, Russia
[2] Inst Theoret & Expt Phys, Moscow 117259, Russia
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 1997年 / 11卷 / 26-27期
关键词：
D O I：
10.1142/S0217979297001520
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The recent progress in revealing classical integrable structures in quantum models solved by Bethe ansatz is reviewed. Fusion relations for eigenvalues of quantum transfer matrices can be written in the form of classical Hirota's bilinear difference equation. This equation is also known as the completely discretized version of the 2D Toda lattice. We explain how one obtains the specific quantum results by solving the classical equation. The auxiliary linear problem for the Hirota equation is shown to generalize Baxter's T-Q relation.
引用
收藏
页码：3125 / 3158
页数：34
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