The Kondo resonance in electron spectroscopy

被引：46

作者：

Allen, JW ^{[1
]}

机构：

[1] Univ Michigan, Randall Lab, Ann Arbor, MI 48109 USA

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2005年 / 74卷 / 01期

关键词：

Kondo resonance; cerium; V2O3; 4f electrons; 3d electrons; photoemission spectroscopy; inverse photoemission spectroscopy; Kondo volume collapse; cerium alpha-gamma transition;

D O I：

10.1143/JPSJ.74.34

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The Kondo resonance is the spectral manifestation of the Kondo properties of the impurity Anderson model, and also plays a central role in the dynamical mean-field theory (DMFT) for correlated electron lattice systems. This article presents an overview of electron spectroscopy studies of the resonance for the 4f electrons of cerium compounds, and for the 3d electrons of V2O3, including beginning efforts at using angle resolved photoemission to determine the k-dependence of the resonance. The overview includes the comparison and analysis of spectroscopy data with theoretical spectra as calculated for the impurity model and as obtained by DMFT, and the Kondo volume collapse calculation of the cerium alpha-gamma phase transition boundary, with its spectroscopic underpinnings.

引用

收藏

页码：34 / 48

页数：15

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