Universal attosecond response to the removal of an electron

被引：162

作者：

Breidbach, J ^{[1
]}

Cederbaum, LS ^{[1
]}

机构：

[1] Heidelberg Univ, Inst Phys Chem, D-69120 Heidelberg, Germany

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 94卷 / 03期

关键词：

D O I：

10.1103/PhysRevLett.94.033901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

When an electron is suddenly removed, a universal response of the system is shown to occur on an attosecond (10(-18) s) time scale. During this response time, which lasts about 50 attoseconds, the density of the created hole changes in a characteristic way. Explicit examples are shown. The results are analyzed in terms of the eigenstates of the residual ion and related to the filling of the exchange-correlation hole associated with the electron in the ground state of the system by the remaining electrons.

引用

页数：4

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