New exact integrable spin-1 quantum chains

被引：9
|
作者：
Alcaraz, FC [1 ]
Bariev, RZ
机构：
[1] Univ Fed Sao Carlos, Dept Fis, BR-13565905 Sao Carlos, SP, Brazil
[2] Russian Acad Sci, Kazan Phys Tech Inst, Kazan 420029, Russia
来源：
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 2001年 / 34卷 / 33期
关键词：
D O I：
10.1088/0305-4470/34/33/105
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
New exactly integrable quantum spin-1 chains are derived. These new quantum Hamiltonians, like the XXZ chain, have a free parameter (anisotropy) and commute with the z-component of the total magnetization. The eigenvalues and eigenvectors are obtained directly by imposing a generalized coordinate Bethe ansatz. The derived Bethe ansatz equations have an unusual form and the associated R-matrix, has a dependence with the spectral parameter that is not of difference form, like the Hubbard quantum chain.
引用
收藏
页码：L467 / L471
页数：5
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