Fisher information for endohedrally confined hydrogen atom

被引：20
作者：
Wu, Liangyong [1 ]
Zhang, Shengqi [1 ]
Li, Bowen [1 ,2 ,3 ]
机构：
[1] Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Gansu, Peoples R China
[2] Lanzhou Univ, Engn Res Ctr Neutron Applicat Technol, Minist Educ, Lanzhou 730000, Gansu, Peoples R China
[3] Lanzhou Univ, Key Lab Special Funct Mat & Struct Design, Minist Educ, Lanzhou 730000, Gansu, Peoples R China
来源：
PHYSICS LETTERS A | 2020年 / 384卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Fisher information; Confined atom; B-spline bases; SHANNON; ENTROPY; PHOTOIONIZATION;
D O I：
10.1016/j.physleta.2019.126033
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Electron localization and delocalization of endohedrally confined hydrogen atom has been investigated employing Fisher information theory. Confinement has been modeled using a spherical Gaussian-type potential. B-spline bases expansion method was used to solve the Schrodinger equation to obtain the required energy eigenvalues and the corresponding wave functions. Changes in energies with depths of potential are explained using Hellmann-Feynman theorem. The behavior of Fisher information against the confining potential depths and positions are demonstrated. Moreover, our results show that Fisher information is an effective way to measure the localization of valence electrons. (C) 2019 Elsevier B.V. All rights reserved.
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页数：6
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