Frustrated kinetic energy, the optical sum rule, and the mechanism of superconductivity

被引:76
作者
Chakravarty, S [1 ]
Kee, HY
Abrahams, E
机构
[1] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA
[2] Rutgers State Univ, Serin Phys Lab, Piscataway, NJ 08854 USA
关键词
D O I
10.1103/PhysRevLett.82.2366
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The basis of the interlayer tunneling theory of high-temperature superconductivity is that the electronic kinetic energy in a direction perpendicular to the copper-oxygen planes is a substantial fraction of the condensation energy. This issue is critically examined, and it is argued from a rigorous conductivity sum rule that the consequences of this theory are consistent with recent optical and penetration depth measurements.
引用
收藏
页码:2366 / 2369
页数:4
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