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Theory of antiferromagnetism in the electron-doped cuprate superconductors

文献类型:期刊论文

作者Yan, XZ ; Yuan, QS ; Ting, CS
刊名PHYSICAL REVIEW B
出版日期2006
卷号74期号:21
关键词2-DIMENSIONAL HUBBARD-MODEL MAGNETIC ORDER PHASE-DIAGRAMS ND2-XCEXCUO4-DELTA DYNAMICS WEIGHT
ISSN号1098-0121
通讯作者Yan, XZ (reprint author), Univ Houston, Texas Ctr Supercond, Houston, TX 77204 USA.
中文摘要On the basis of the Hubbard model, we present the formulation of antiferromagnetism (AF) in electron-doped cuprates using the fluctuation-exchange approach. Taking into account the spin fluctuations in combination with the impurity scattering effect due to the randomly distributed dopant atoms, we investigate the magnetic properties of the system. It is shown that the antiferromagnetic transition temperature, the onset temperature of the pseudogap formation, the single-particle spectral density, and the staggered magnetization obtained by the present approach are in very good agreement with the experimental results. The distribution function in momentum space at very low temperature is observed to differ significantly from that of the Fermi liquid. Also, we find a zero-energy peak in the density of states (DOS) of the antiferromagnetic phase. This DOS peak is sharp in the low-doping regime and disappears near optimal doping where the AF order becomes weak.
收录类别SCI
语种英语
公开日期2013-09-23
源URL[http://ir.iphy.ac.cn/handle/311004/45681]  
专题物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
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GB/T 7714
Yan, XZ,Yuan, QS,Ting, CS. Theory of antiferromagnetism in the electron-doped cuprate superconductors[J]. PHYSICAL REVIEW B,2006,74(21).
APA Yan, XZ,Yuan, QS,&Ting, CS.(2006).Theory of antiferromagnetism in the electron-doped cuprate superconductors.PHYSICAL REVIEW B,74(21).
MLA Yan, XZ,et al."Theory of antiferromagnetism in the electron-doped cuprate superconductors".PHYSICAL REVIEW B 74.21(2006).

入库方式: OAI收割

来源:物理研究所

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