Theory of low-temperature Hall effect in electron-doped cuprates

被引：71

作者：

Lin, J ^{[1
]}

Millis, AJ ^{[1
]}

机构：

[1] Columbia Univ, Dept Phys, New York, NY 10027 USA

来源：

PHYSICAL REVIEW B | 2005年 / 72卷 / 21期

关键词：

D O I：

10.1103/PhysRevB.72.214506

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A mean field calculation of the T -> 0 limit of the Hall conductance of electron-doped cuprates such as Pr2-xCexCuO4+delta is presented. The data are found to be qualitatively consistent with the reconstruction of the Fermi surface expected upon density wave ordering. The magnitude of the density wave gap is found to be large. The Hall resistance exhibits a nonanalyticity at the quantum critical point for density wave ordering, but the amplitude of the anomaly is found to be unobservably small. The quantum critical contribution to R-H(B) is determined. Quantitative discrepancies between calculation and data remain, suggesting that the experimental doping is not identical to the Ce concentration x.

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页数：9

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