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题名: THE NAGAOKA STATE AND ITS STABILITY IN THE ONE-BAND HUBBARD-MODEL
作者: SHEN, SQ ;  QIU, ZM ;  TIAN, GS
刊名: PHYSICS LETTERS A
出版日期: 1993
卷号: 178, 期号:41035, 页码:426-430
关键词: FERROMAGNETIC STATE ;  THEOREM
学科分类: Physics
通讯作者: SHEN, SQ , CHINA CTR ADV SCI & TECHNOL,POB 8730,BEIJING 100080,PEOPLES R CHINA.
部门归属: BEIJING UNIV,DEPT PHYS,BEIJING 100871,PEOPLES R CHINA; ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
英文摘要: In this article, we discuss the stability of the Nagaoka state with an infinite number of holes in the infinite-U Hubbard model. We shall rigorously show that the Nagaoka state is stable if the total number of holes N(h) almost-equal-to N(LAMBDA)alpha with 0 less-than-or-equal-to alpha < 2/(d+2) as the number of lattice sites N(LAMBDA) tends to infinity. Our theorem improves greatly the previous results obtained by Barbieri et al. [Phys. Rev. B 41 (1990) 11697] and by Tian [Phys. Rev. B 44 (1991) 4444].
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12019
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
SHEN, SQ,QIU, ZM,TIAN, GS. THE NAGAOKA STATE AND ITS STABILITY IN THE ONE-BAND HUBBARD-MODEL[J]. PHYSICS LETTERS A,1993,178(41035):426-430.
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