ELECTRONIC SUSCEPTIBILITY IN DOUBLE-LAYERED HIGH-TEMPERATURE SUPERCONDUCTORS - PLASMONS AND RENORMALIZATION OF INFRARED-ACTIVE PHONONS

被引：9
|
作者：
HASTREITER, G
KELLER, J
机构：
[1] Institut für Theorestische Physik Universität Regensburg, W-8400 Regensburg
来源：
SOLID STATE COMMUNICATIONS | 1993年 / 85卷 / 11期
关键词：
D O I：
10.1016/0038-1098(93)90714-X
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We investigate the electronic susceptibility of a periodic double-layer system serving as a model for high-temperature superconductors in the normal and in the superconducting state. Allowing for a hopping of charge carriers between the planes of each double layer yields a strong influence on the acoustic plasmon branch in both states. Frequency shifts and linewidth-effects observed experimentally on infrared-active phonons at the superconducting transition are explained consistently within our model.
引用
收藏
页码：967 / 970
页数：4
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