EQUIVALENCE AND SOLUTION OF ANISOTROPIC SPIN-1 MODELS AND GENERALIZED T-J FERMION MODELS IN ONE DIMENSION

被引：187
|
作者：
KLUMPER, A [1 ]
SCHADSCHNEIDER, A [1 ]
ZITTARTZ, J [1 ]
机构：
[1] UNIV MELBOURNE,DEPT MATH,PARKVILLE,VIC 3052,AUSTRALIA
来源：
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1991年 / 24卷 / 16期
关键词：
D O I：
10.1088/0305-4470/24/16/012
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study the relationship of two 'q-deformed' spin-1 chains-both of them are solvable models-with a generalized supersymmetric t-J fermion model in one dimension. One of the spin-1 chains is an anisotropic VBS model for which we calculate ground state and ground-state properties. The other spin-1 chain corresponds to the Zamolodchikov-Fateev model which is solvable by Bethe ansatz and is equivalent to a certain t-J model. The two spin-1 models intersect for a certain value of the 'deformation' parameter q in a second-order phase transition.
引用
收藏
页码：L955 / L959
页数：5
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