Energy Band Structure of the Electron Gas in Periodic Quantum Wells

被引：0

作者：

Mao Sheng-Hong ^{[1
]}

Ma Yu-Ting ^{[1
]}

Xue Ju-Kui ^{[1
]}

机构：

[1] NW Normal Univ, Coll Phys & Elect Engn, Key Lab Atom & Mol Phys & Funct Mat Gansu Prov, Lanzhou 730070, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2012年 / 29卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Semiconductor quantum wells;

D O I：

10.1088/0256-307X/29/8/087301

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The energy band structure and current density of electron gas with an exchange-correlation effect in periodic quantum wells are discussed. It is found that the energy band shows a swallowtail structure at the boundary of the first Brillouin zone when the electron exchange-correlation effect is presented and the average electron density is smaller than a critical value. The energy band structure is closely related to the current density of the system.

引用

页数：4

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