TRANSITION FROM FERMI-LIQUID TO CHARGED BOSE-LIQUID - A POSSIBLE EXPLANATION OF THE ISOTOPE SHIFT IN HIGH-TC OXIDES

被引:61
作者
ALEXANDROV, AS
机构
[1] Institut für Theoretische Physik, Rheinisch-Westfälische Technische Hochschule Aachen
来源
PHYSICAL REVIEW B | 1992年 / 46卷 / 22期
关键词
D O I
10.1103/PhysRevB.46.14932
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Three puzzling features of the oxygen isotope shift in the superconducting transition of metal oxides: large values (alpha > 0.5) in "low- T(c)" oxides, an overall trend to lower values for alpha as T(c) increases, and a negative alpha in Bi 2:2:2:3 at T(c) = 108 K, are explained by the polaron theory of high-T(c) superconductivity.
引用
收藏
页码:14932 / 14935
页数:4
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