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题名: Influence of the additional second-neighbor hopping on the spin response in the t-J model
作者: Ke, XL ;  Yuan, F ;  Feng, SP
刊名: PHYSICAL REVIEW B
出版日期: 2000
卷号: 62, 期号:1, 页码:134-137
关键词: COPPER-OXIDE MATERIALS ;  VALENCE-BOND STATE ;  NEUTRON-SCATTERING ;  MAGNETIC FLUCTUATIONS ;  DOPING DEPENDENCE ;  CHARGE DYNAMICS ;  CU OXIDES ;  ANTIFERROMAGNETISM ;  SUSCEPTIBILITY ;  YBA2CU3O6+X
学科分类: Physics
通讯作者: Ke, XL , 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
英文摘要: 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)].
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000088037000035
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12950
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:
Ke, XL,Yuan, F,Feng, SP. 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.
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