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题名: Incommensurate magnetic fluctuations in the underdoped copper oxide materials
作者: Yuan, F ;  Feng, SP ;  Chen, WY
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2001
卷号: 36, 期号:3, 页码:370-374
关键词: 2-DIMENSIONAL HUBBARD-MODEL ;  T-J MODEL ;  SUPERCONDUCTING LA1.85SR0.15CUO4 ;  SPIN FLUCTUATIONS ;  FERMI-SURFACE ;  LA2-XSRXCUO4 ;  EXCITATIONS ;  TEMPERATURE ;  TRANSITION ;  DEPENDENCE
学科分类: Physics
通讯作者: Yuan, F , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.
部门归属: Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China; Acad Sinica, Natl Lab Superconduct, Beijing 100080, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Tamkang Univ, Dept Phys, Tamsui 25137, Taiwan
英文摘要: The doping dependence of magnetic fluctuations in the underdoped copper oxide materials are studied within the t-J model. It is shown that away from the half-filling, the magnetic Bragg peaks from the dynamical spin structure factor spectrum S(k,omega) are incommensurate with the lattice. Although the incommensurability delta (x) is almost energy-independent, the dynamical spin susceptibility chi " (k,omega) at the incommensurate wave vectors is changed dramatically with energies, which is consistent with the experiments.
收录类别: SCI
WOS记录号: WOS:000171974200023
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13667
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:
Yuan, F,Feng, SP,Chen, WY. Incommensurate magnetic fluctuations in the underdoped copper oxide materials[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2001,36(3):370-374.
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