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Influence of the additional second-neighbor hopping on the spin response in the t-J model
Ke, XL; Yuan, F; Feng, SP; Ke, XL , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.
2000
发表期刊PHYSICAL REVIEW B
ISSN0163-1829
卷号62期号:1页码:134-137
摘要The influence of the additional second-neighbor hopping t' on the spin response of the t-J model in the underdoped and optimally doped regimes is studied within the fermion-spin theory. Although the additional second-neighbor hopping t' is systematically accompanied by the reduction of the dynamical spin structure factor and susceptibility, the qualitative behavior of the dynamical spin structure factor and susceptibility of the t-t'-J model is the same as in the case of t-J model. The integrated dynamical spin structure factor spectrum is almost t' independent, and the integrated dynamical spin susceptibility still shows the particularly universal behavior as I(omega,T) proportional to arctan[a(1) omega/T+a(3)(omega/T)(3)].
部门归属Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Copper-oxide Materials Valence-bond State Neutron-scattering Magnetic Fluctuations Doping Dependence Charge Dynamics Cu Oxides Antiferromagnetism Susceptibility yba2cu3o6+x
学科领域Physics
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收录类别SCI
WOS记录号WOS:000088037000035
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12950
专题理论物理所1978-2010年知识产出
通讯作者Ke, XL , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.
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Ke, XL,Yuan, F,Feng, SP,et al. Influence of the additional second-neighbor hopping on the spin response in the t-J model[J]. PHYSICAL REVIEW B,2000,62(1):134-137.
APA Ke, XL,Yuan, F,Feng, SP,&Ke, XL , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China..(2000).Influence of the additional second-neighbor hopping on the spin response in the t-J model.PHYSICAL REVIEW B,62(1),134-137.
MLA Ke, XL,et al."Influence of the additional second-neighbor hopping on the spin response in the t-J model".PHYSICAL REVIEW B 62.1(2000):134-137.
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