GROUND-STATE OF THE LINEAR ANISOTROPIC ANTIFERROMAGNETIC HEISENBERG CHAIN WITH NEAREST AND NEXT-NEAREST-NEIGHBOR INTERACTIONS

被引：4
|
作者：
MANCINI, JD [1 ]
PRIE, JD [1 ]
MASSANO, WJ [1 ]
机构：
[1] SUNY MARTIME COLL,DEPT SCI,BRONX,NY 10465
来源：
SOLID STATE COMMUNICATIONS | 1994年 / 89卷 / 05期
关键词：
D O I：
10.1016/0038-1098(94)90213-5
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Using a modified Lanczos scheme, we evaluate the ground state properties of a sixteen-site one-dimensional spin- 1/2 Heisenberg antiferromagnet. We consider the case with nearest-neighbor antiferromagnetic interactions and next-nearest-neighbor ferromagnetic interactions as well as anisotropy. Comparisons are made with other exact results in the appropriate regions of parameter space.
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页码：463 / 466
页数：4
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