THE ELECTRODYNAMICS OF CORRELATED METALS

被引：4
|
作者：
GRUNER, G
BEYERMANN, WP
机构：
[1] UNIV CALIF LOS ANGELES,CTR SOLID STATE SCI,LOS ANGELES,CA 90024
[2] UNIV CALIF LOS ALAMOS SCI LAB,LOS ALAMOS,NM 87545
来源：
PHYSICA B | 1990年 / 163卷 / 1-3期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0921-4526(90)90193-X
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The electrodynamic response of several heavy-fermion materials, such as CeAl3, UPt3 and CePd3, is reviewed with particular emphasis on low frequency coherent state effects. A narrow zero-frequency resonance is observed in the conductivity at millimeter-wave frequencies which is a manifestation of strong electron-electron interactions. The renormalized relaxation time, the renormalized plasma frequency (or equivalently the spectral weight in the zero-frequency mode) and the enhanced effective mass are derived from the frequency dependent response. Finally, we discuss the relationship between the electrodynamics and thermodynamics in heavy fermion systems. © 1990.
引用
收藏
页码：285 / 290
页数：6
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