Simple numerical procedure for the spectral function of 4f photoexcitations -: art. no. 115106

被引：21

作者：

Hayn, R

Kucherenko, Y

Hinarejos, JJ

Molodtsov, SL

Laubschat, C

机构：

[1] Inst Festkorper & Werkstofforsch, D-01171 Dresden, Germany

[2] Natl Acad Sci Ukraine, Inst Met Phys, UA-03142 Kiev, Ukraine

[3] Tech Univ Dresden, Inst Oberflachenphys & Mikrostrukturphys, D-01062 Dresden, Germany

来源：

PHYSICAL REVIEW B | 2001年 / 64卷 / 11期

关键词：

D O I：

10.1103/PhysRevB.64.115106

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A simple numerical procedure is proposed to calculate valence-band and core-level photoemission spectra of 4f systems. The procedure is based on the single-impurity Anderson model with an infinite degeneracy of the f level and represents a minimal version of the Gunnarsson-Schonhammer approach. It extends the method of Imer and Wuilloud by taking into account the realistic valence-band structure but keeping its numerical simplicity. As an example several spectra of Ce compounds are calculated and compared with experiment.

引用

页数：11

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