ITP OpenIR  > SCI期刊论文
Yuan, F; Feng, SP; Su, ZB; Yu, L; Yuan, F , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.
Doping and temperature dependence of incommensurate antiferromagnetism in underdoped lanthanum cuprates
Source PublicationPHYSICAL REVIEW B
KeywordCopper-oxide Materials Mean-field-theory Spin Fluctuations Transition Temperature Magnetic Fluctuations Neutron-scattering Phase-diagram Hubbard-model Normal-state La2-xsrxcuo4
AbstractThe doping, temperature, and energy dependence of the dynamical spin structure factors of the underdoped lanthanum cuprates in the normal state are studied within the t-J model using the fermion-spin transformation technique. Incommensurate peaks are found at [(1 +/- delta) pi, pi], [pi, (1 +/- delta) pi] at relatively low temperatures, with delta linearly increasing with doping at the beginning and then saturating at higher dopings, These peaks broaden and weaken in amplitude with temperature and energy, in good agreement with experiments. The theory also predicts a rotation of these peaks by pi /4 at even higher temperatures, being shifted to [(1 +/- delta/ root2)pi, (1 +/- delta/ root2)delta].
2001
ISSN1098-0121
Volume64Issue:22Pages:-
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13635
CollectionSCI期刊论文
Corresponding AuthorYuan, F , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.
Recommended Citation
GB/T 7714
Yuan, F,Feng, SP,Su, ZB,et al. Doping and temperature dependence of incommensurate antiferromagnetism in underdoped lanthanum cuprates[J]. PHYSICAL REVIEW B,2001,64(22):-.
APA Yuan, F,Feng, SP,Su, ZB,Yu, L,&Yuan, F , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China..(2001).Doping and temperature dependence of incommensurate antiferromagnetism in underdoped lanthanum cuprates.PHYSICAL REVIEW B,64(22),-.
MLA Yuan, F,et al."Doping and temperature dependence of incommensurate antiferromagnetism in underdoped lanthanum cuprates".PHYSICAL REVIEW B 64.22(2001):-.
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