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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
发表期刊PHYSICAL REVIEW B
关键词Copper-oxide Materials Mean-field-theory Spin Fluctuations Transition Temperature Magnetic Fluctuations Neutron-scattering Phase-diagram Hubbard-model Normal-state La2-xsrxcuo4
摘要The 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
卷号64期号:22页码:-
学科领域Physics
收录类别SCI
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被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13635
专题理论物理所科研产出_SCI论文
通讯作者Yuan, F , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.
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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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