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题名: Spin dynamics for the t-J model
作者: Huang, ZB ;  Feng, SP
刊名: PHYSICS LETTERS A
出版日期: 1998
卷号: 242, 期号:40910, 页码:94-98
关键词: HIGH-TEMPERATURE SUPERCONDUCTORS ;  VALENCE-BOND STATE ;  ANTIFERROMAGNETIC CORRELATIONS ;  MAGNETIC-PROPERTIES ;  NEUTRON-SCATTERING ;  SUSCEPTIBILITY ;  TRANSFORMATION ;  YBA2CU3O6+X ;  DEPENDENCE ;  SEPARATION
学科分类: Physics
通讯作者: Huang, ZB , 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, Inst Theoret Phys, Beijing 100080, Peoples R China; Acad Sinica, Natl Lab Superconduct, Beijing 100080, Peoples R China
英文摘要: The spin dynamics at finite temperature for the t-J model in the underdoped and optimally doped regimes is studied within the fermion-spin theory. It is shown that the dynamical spin structure factor spectrum at the antiferromagnetic wave vector Q = (pi, pi) is separated into low-and high-frequency parts, respectively, but the high-frequency part is suppressed in the dynamical susceptibility spectrum chi "(Q,omega), while the low-frequency part is temperature dependent, which is in qualitative agreement with experiments and numerical simulations. (C) 1998 Elsevier Science B.V.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000073713600015
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12306
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:
Huang, ZB,Feng, SP. Spin dynamics for the t-J model[J]. PHYSICS LETTERS A,1998,242(40910):94-98.
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