Incommensurate magnetic fluctuations in the underdoped copper oxide materials

ITP OpenIR > SCI期刊论文

	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 Publication	COMMUNICATIONS IN THEORETICAL PHYSICS
Keyword	2-dimensional Hubbard-model T-j Model Superconducting La1.85sr0.15cuo4 Spin Fluctuations Fermi-surface La2-xsrxcuo4 Excitations Temperature Transition Dependence
Abstract	The 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
ISSN	0253-6102
Volume	36 Issue:3 Pages:370-374
Subject Area	Physics
Indexed By	SCI
Citation statistics	Cited Times:1[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.itp.ac.cn/handle/311006/13667
Collection	SCI期刊论文
Corresponding Author	Yuan, 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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