Scaling theory of the cuprate strange metals

被引：63
作者：
Hartnoll, Sean A. [1 ]
Karch, Andreas [2 ]
机构：
[1] Stanford Univ, Dept Phys, Stanford, CA 94305 USA
[2] Univ Washington, Dept Phys, Seattle, WA 98195 USA
来源：
PHYSICAL REVIEW B | 2015年 / 91卷 / 15期
关键词：
NORMAL-STATE MAGNETORESISTANCE; QUANTUM CRITICAL-BEHAVIOR; CRITICAL-POINT; THERMOELECTRIC-POWER; RESISTIVITY; TEMPERATURE; TRANSPORT; FLUCTUATIONS; LOCALIZATION; LA2-XSRXCUO4;
D O I：
10.1103/PhysRevB.91.155126
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We show that the anomalous temperature scaling of five distinct transport quantities in the strange metal regime of the cuprate superconductors can be reproduced with only two nontrivial critical exponents. The quantities are (i) the electrical resistivity, (ii) the Hall angle, (iii) the Hall-Lorenz ratio, (iv) the magnetoresistance, and (v) the thermopower. The exponents are the dynamical critical exponent z = 4/3 and an anomalous scaling dimension Phi = -2/3 for the charge density operator.
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页数：9
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