MAGNETOOPTICAL TRANSITIONS AND LEVEL-CROSSINGS IN A COULOMB-COUPLED PAIR OF QUANTUM DOTS

被引：67
|
作者：
CHAKRABORTY, T
HALONEN, V
PIETILAINEN, P
机构：
[1] MAX PLANCK INST FESTKORPERFORSCH,W-7000 STUTTGART 80,GERMANY
[2] UNIV OULU,DEPT THEORET PHYS,SF-90570 OULU 57,FINLAND
来源：
PHYSICAL REVIEW B | 1991年 / 43卷 / 17期
关键词：
D O I：
10.1103/PhysRevB.43.14289
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Optical transitions for a pair of Coulomb-coupled quantum dots in a magnetic field are investigated. It is shown that for a parabolic confinement potential, the electric-dipole transition energies reveal interesting anticrossing behavior which is due to the many-electron interaction. The results for the ground-state single-particle density in these systems also reflect the correlated behavior of the electrons. Qualitatively similar results are obtained for electron and hole dots (type-II quantum dots).
引用
收藏
页码：14289 / 14292
页数：4
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