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
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
收藏
页数:4
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