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.
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页数：11
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