SYNCHROTRON-RADIATION-EXCITED SOFT-X-RAY-FLUORESCENCE STUDIES OF CU AND ZN - ON THE VALIDITY OF THE SUDDEN APPROXIMATION

被引：73

作者：

WASSDAHL, N

RUBENSSON, JE

BRAY, G

GLANS, P

BLECKERT, P

NYHOLM, R

CRAMM, S

MARTENSSON, N

NORDGREN, J

机构：

[1] Department of Physics, Uppsala University, Box 530

来源：

PHYSICAL REVIEW LETTERS | 1990年 / 64卷 / 23期

关键词：

D O I：

10.1103/PhysRevLett.64.2807

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The L23 x-ray-emission spectra of Cu and Zn have been recorded using tunable-synchrotron-radiation-excited fluorescence spectroscopy. The satellite structure was studied in detail by varying the excitation energy from threshold to several hundred eV above. Strong satellites are observed which can unambiguously be associated with the decay of multiply excited states. This disproves recent claims of a breakdown of the sudden approximation in this regime. © 1990 The American Physical Society.

引用

页码：2807 / 2810

页数：4

共 19 条

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