Statistical measures and magic numbers in metal clusters

被引：8

作者：

Sanudo, Jaime ^{[2
]}

Lopez-Ruiz, Ricardo ^{[1
]}

机构：

[1] Univ Zaragoza, Fac Ciencias, DIIS & BIFI, E-50009 Zaragoza, Spain

[2] Univ Extremadura, Fac Ciencias, Dept Fis, E-06071 Badajoz, Spain

来源：

PHYSICS LETTERS A | 2011年 / 375卷 / 15期

关键词：

Statistical indicators; Metal clusters; Shell structure; Magic numbers; FISHER-SHANNON INFORMATION; ELECTRONIC SHELLS; ATOMS; COMPLEXITY; PLANE;

D O I：

10.1016/j.physleta.2011.03.008

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this work, a shell model for metal clusters up to 220 valence electrons is used to obtain the fractional occupation probabilities of the electronic orbitals. Then, the calculation of a statistical measure of complexity and the Fisher-Shannon information is carried out. An increase of both magnitudes with the number of valence electrons is observed. The shell structure is reflected by the behavior of the statistical complexity. The magic numbers are indicated by the Fisher-Shannon information. So, as in the case of atomic nuclei, the study of statistical indicators also unveil the existence of magic numbers in metal clusters. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：1674 / 1676

页数：3

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