PHOTOABSORPTION OF ATOMS INSIDE C60

被引：198

作者：

PUSKA, MJ

NIEMINEN, RM

机构：

[1] Laboratory of Physics, Helsinki University of Technology

来源：

PHYSICAL REVIEW A | 1993年 / 47卷 / 02期

关键词：

D O I：

10.1103/PhysRevA.47.1181

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The photoabsorption spectrum of the C60 molecule and those of Xe and Ba atoms inside the C60 molecule are calculated using a jelliumlike model for the confining cage. The dynamic electronic response to an external electric field is obtained through time-dependent density-functional theory. The photoabsorption cross section for C60 shows strong collective resonances corresponding to plasmonlike excitations. The resonant 4d photoemission of the free atom is suppressed by the carbon cage, resulting in a weakly oscillating spectrum.

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页码：1181 / 1186

页数：6

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