On the response function of simple metal clusters

被引：2

作者：

Hoeller, Johannes ^{[1
,2
]}

Krotscheck, Eckhard ^{[1
,2
]}

Suraud, Eric ^{[2
,3
]}

机构：

[1] Johannes Kepler Univ Linz, Inst Theoret Phys, A-4040 Linz, Austria

[2] SUNY Buffalo, Dept Phys, Buffalo, NY 14260 USA

[3] Univ Toulouse, CNRS, Phys Theor Lab, UMR5152, F-31062 Toulouse, France

来源：

EUROPEAN PHYSICAL JOURNAL D | 2015年 / 69卷 / 06期

基金：

奥地利科学基金会;

关键词：

COLLECTIVE EXCITATIONS; HE-4; CLUSTERS; ELECTRON-GAS; DYNAMICS; PHYSICS; MODEL;

D O I：

10.1140/epjd/e2015-60017-8

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We analyse the response function of simple metal clusters considering several theoretical approaches and exploring a large class of momenta and energies. The study is performed on a wide range of cluster sizes to explore the relative weight of the various dominant contributions to the response. We work with Sodium clusters in jellium approximation. The comparison between the various theoretical approaches shows altogether a remarkable consistency. The simple Boson approximation to the response function is furthermore shown to perform remarkably well in spite of its simplicity.

引用

页数：10

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