D-WAVE, DIMER, AND CHIRAL STATES IN THE 2-DIMENSIONAL HUBBARD-MODEL

被引：40

作者：

PAROLA, A ^{[1
]}

SORELLA, S ^{[1
]}

PARRINELLO, M ^{[1
]}

TOSATTI, E ^{[1
]}

机构：

[1] IBM CORP,DIV RES,ZURICH RES LAB,CH-8803 RUSCHLIKON,SWITZERLAND

来源：

PHYSICAL REVIEW B | 1991年 / 43卷 / 07期

关键词：

D O I：

10.1103/PhysRevB.43.6190

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The ground-state properties of two holes on a 4 x 4 Hubbard cluster have been studied using a Lanczos algorithm at intermediate coupling U = 4. Several states have been found to lie within a very small energy range at the bottom of the spectrum. Although many properties of these states are remarkably similar, their overall symmetries are quite different, suggesting different possible scenarios in larger systems.

引用

页码：6190 / 6193

页数：4

共 15 条

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