Short-range versus long-range electron-hole exchange interactions in semiconductor quantum dots

被引：94

作者：

Franceschetti, A ^{[1
]}

Wang, LW ^{[1
]}

Fu, H ^{[1
]}

Zunger, A ^{[1
]}

机构：

[1] Natl Renewable Energy Lab, Golden, CO 80401 USA

来源：

PHYSICAL REVIEW B | 1998年 / 58卷 / 20期

关键词：

D O I：

10.1103/PhysRevB.58.R13367

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Using a many-body approach based on atomistic pseudopotential wave functions we show that the electron-hole exchange interaction in semiconductor quantum dots is characterized by a large, previously neglected long-range component, originating from monopolar interactions of the transition density between different unit cells. The calculated electron-hole exchange splitting of CdSe and InP nanocrystals is in good agreement with recent experimental measurements. [S0163-1829(98)51144-7].

引用

页码：13367 / 13370

页数：4

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