Ground and excited states of the two and three dimensional bipolaron in a quantum dot

被引：0

作者：

Ruan, Yong-Hong ^{[1
]}

Pan, Guo-Wei ^{[1
]}

Chen, Qing-Hu ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Phys, Hangzhou 310027, Peoples R China

来源：

2006 BIMW: 2006 BEIJING INTERNATIONAL MATERIALS WEEK, PTS 1-4: MAGNESIUM | 2007年 / 546-549卷

基金：

中国国家自然科学基金;

关键词：

bipolaron; quantum dot; ground state; excited state;

D O I：

10.4028/www.scientific.net/MSF.546-549.1945

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We apply the Lee-Low-Pines-Huybrechts variational method to study the properties of the two and three dimensional bipolaron in a quantum dot. The ground-state (GS) and two types of excited-state energies of the Frohlich bipolaron for the whole range of electron-phonon coupling constants can be obtained. Compared with the Franck-Condon excited state, the first relaxed excited state has a lower energy. Effects of quantum dot confinement on the excitation energies of the bipolaron are given.

引用

页码：1945 / +

页数：2

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