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Yuan, F; Feng, SP; Chen, WY; Yuan, F , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.
Incommensurate magnetic fluctuations in the underdoped copper oxide materials
Source PublicationCOMMUNICATIONS IN THEORETICAL PHYSICS
Keyword2-dimensional Hubbard-model T-j Model Superconducting La1.85sr0.15cuo4 Spin Fluctuations Fermi-surface La2-xsrxcuo4 Excitations Temperature Transition Dependence
AbstractThe 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.
2001
ISSN0253-6102
Volume36Issue:3Pages:370-374
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13667
Collection理论物理所科研产出_SCI论文
Corresponding AuthorYuan, F , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.
Recommended Citation
GB/T 7714
Yuan, F,Feng, SP,Chen, WY,et al. Incommensurate magnetic fluctuations in the underdoped copper oxide materials[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2001,36(3):370-374.
APA Yuan, F,Feng, SP,Chen, WY,&Yuan, F , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China..(2001).Incommensurate magnetic fluctuations in the underdoped copper oxide materials.COMMUNICATIONS IN THEORETICAL PHYSICS,36(3),370-374.
MLA Yuan, F,et al."Incommensurate magnetic fluctuations in the underdoped copper oxide materials".COMMUNICATIONS IN THEORETICAL PHYSICS 36.3(2001):370-374.
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