QUASI-CLASSICAL TRANSPORT AT A VAN HOVE SINGULARITY IN CUPRATE SUPERCONDUCTORS

被引:135
作者
NEWNS, DM [1 ]
TSUEI, CC [1 ]
HUEBENER, RP [1 ]
VANBENTUM, PJM [1 ]
PATTNAIK, PC [1 ]
CHI, CC [1 ]
机构
[1] UNIV TUBINGEN,LEHRSTUHL EXPTL PHYS 2,INST PHYS,D-72076 TUBINGEN,GERMANY
关键词
D O I
10.1103/PhysRevLett.73.1695
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The thermopower in cuprate superconductors shows a quasiclassical temperature independence rather than the T-linear behavior of a Fermi liquid, and scales in an approximately universal manner with doping. It is shown that standard transport theory at a van Hove singularity in the band structure can explain both the linear resistivity and these remarkable features of the thermopower in cuprates.
引用
收藏
页码:1695 / 1698
页数:4
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