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VANHOVE SCENARIO FOR CUPRATE SUPERCONDUCTIVITY

被引：54
作者：
NEWNS, DM
KRISHNAMURTHY, HR
PATTNAIK, PC
TSUEI, CC
CHI, CC
KANE, CL
机构：
[1] IBM Research Division, T.J. Watson Research Center, Yorktown Heights
来源：
PHYSICA B-CONDENSED MATTER | 1993年 / 186-88卷
关键词：
D O I：
10.1016/0921-4526(93)90709-F
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The cuprate superconductor problem is approached from the conventional metallic standpoint, valid at dopings near the T(c) maximum and beyond. There is strong evidence that the T(c) maximum corresponds to E(F) lying at a van Hove singularity, a special situation leading to marginal Fermi liquid behavior, and also to a minimum in the isotope shift, as observed. The superconducting properties are discussed in the light of phononic and electronic pairing models.
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页码：801 / 807
页数：7
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