CROSSOVER FROM A SPIN-DENSITY-WAVE TO THE QUANTUM NEEL GROUND-STATE

被引：6
|
作者：
FERRER, J
机构：
[1] Departamento de Física, Facultad de Ciencias, Universidad de Oviedo
来源：
PHYSICAL REVIEW B | 1995年 / 51卷 / 13期
关键词：
D O I：
10.1103/PhysRevB.51.8310
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The characterization and evolution of a spin-density wave into the quantum Néel ground state is considered in the context of a weak-coupling theory of the half-filled Hubbard model. Magnetic properties obtained from this weak-coupling approach in one dimension compare favorably with exact results from Bethe ansatz (BA). A study of the evolution of several length scales from weak to strong coupling is also presented. © 1995 The American Physical Society.
引用
收藏
页码：8310 / 8317
页数：8
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