Power-law dependence of the angular momentum transition fields in few-electron quantum dots

被引：12
|
作者：
Anisimovas, E
Matulis, A
Tavernier, MB
Peeters, FM
机构：
[1] Univ Antwerp, Dept Natuurkunde, B-2610 Antwerp, Belgium
[2] Inst Semicond Phys, LT-2600 Vilnius, Lithuania
来源：
PHYSICAL REVIEW B | 2004年 / 69卷 / 07期
关键词：
D O I：
10.1103/PhysRevB.69.075305
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We show that the critical magnetic fields at which a few-electron quantum dot undergoes transitions between successive values of its angular momentum (M) for large M values follow a very simple power-law dependence on the effective interelectron interaction strength. We obtain this power law analytically from a quasiclassical treatment and demonstrate its nearly universal validity by comparison with the results of exact diagonalization.
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收藏
页数：6
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