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题名: LOCALIZATION IN THE 3-DIMENSIONAL HUBBARD-MODEL AT FINITE-TEMPERATURE
作者: SHI, FJ ;  LIN, TH
刊名: PHYSICAL REVIEW B
出版日期: 1994
卷号: 49, 期号:23, 页码:16269-16276
关键词: ITINERANT-ELECTRON SYSTEMS ;  SPIN FLUCTUATION THEORY ;  NARROW BANDS ;  MAGNETISM ;  IRON
学科分类: Physics
通讯作者: SHI, FJ , BEIJING UNIV,DEPT PHYS,BEIJING 100871,PEOPLES R CHINA.
部门归属: CHINESE CTR ADV SCI & TECHNOL,WORLD LAB,BEIJING 100080,PEOPLES R CHINA; ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
英文摘要: With the aid of functional-integral technique, we show that the strongly correlated electron system described by the Hubbard model at finite temperature is approximately equivalent to the dynamically disordered electron system. For larger Coulomb interaction U, we show that it has localized states in the middle region of the band. Thus, the system exhibits a continuous metal-insulator transition, in which the activation energy for conduction is continuous, caused purely by the electron-electron interaction near half filling.
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/311006/11892
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:
SHI, FJ,LIN, TH. LOCALIZATION IN THE 3-DIMENSIONAL HUBBARD-MODEL AT FINITE-TEMPERATURE[J]. PHYSICAL REVIEW B,1994,49(23):16269-16276.
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