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Spin dynamics for the t-J model
Huang, ZB; Feng, SP; Huang, ZB , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.
1998
发表期刊PHYSICS LETTERS A
ISSN0375-9601
卷号242期号:40910页码:94-98
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.
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
关键词High-temperature Superconductors Valence-bond State Antiferromagnetic Correlations Magnetic-properties Neutron-scattering Susceptibility Transformation yba2cu3o6+x Dependence Separation
学科领域Physics
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收录类别SCI
WOS记录号WOS:000073713600015
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12306
专题理论物理所1978-2010年知识产出
通讯作者Huang, ZB , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.
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GB/T 7714
Huang, ZB,Feng, SP,Huang, ZB , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.. Spin dynamics for the t-J model[J]. PHYSICS LETTERS A,1998,242(40910):94-98.
APA Huang, ZB,Feng, SP,&Huang, ZB , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China..(1998).Spin dynamics for the t-J model.PHYSICS LETTERS A,242(40910),94-98.
MLA Huang, ZB,et al."Spin dynamics for the t-J model".PHYSICS LETTERS A 242.40910(1998):94-98.
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