Electrostatic shielding effect and dynamic process of potential energy of metallic and nonmetallic elements

被引：3

作者：

Bo, Maolin ^{[1
]}

Li, Hanze ^{[2
]}

Wang, Zhihong ^{[1
]}

Zhong, Yunqian ^{[1
]}

Chuang, Yao ^{[1
]}

Huang, ZhongKai ^{[1
]}

机构：

[1] Yangtze Normal Univ, Key Lab Extraordinary Bond Engn & Adv Mat Technol, Chongqing 408100, Peoples R China

[2] Xiangtan Univ, Sch Phys & Optoelect, Xiangtan 411105, Hunan, Peoples R China

来源：

PHYSICA B-CONDENSED MATTER | 2023年 / 652卷

关键词：

Electrostatic shielding effect; Ground-state energy; Exchange correlation potential; GAS;

D O I：

10.1016/j.physb.2022.414624

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The ground-state energy is crucial for studying the properties of a material. In this study, we computed both the Hartree-Fock and random phase approximations of the ground state energy of metals and nonmetals. Considering the effect of the electrostatic shielding potential, we utilized the Thomas-Fermi dielectric function to obtain the Thomas-Fermi formula for the total potential energy. We calculated the total potential energy of the elements using the Wigner and Hedin-Lundqvist correlation energies, considering the changes in them after the electrostatic shielding effect. The exchange correlation potential, including electrostatic shielding effect, can be used in the measurement of scanning impedance microscopy experiments. Furthermore, we consider the dynamic process with respect to the change in the potential energy.

引用

页数：12

共 38 条

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