Two-electron artificial molecule

被引：34
|
作者：
Partoens, B
Matulis, A
Peeters, FM
机构：
[1] Univ Instelling Antwerp, Dept Nat Kunde, B-2610 Wilrijk, Belgium
[2] Inst Semicond Phys, LT-2600 Vilnius, Lithuania
来源：
PHYSICAL REVIEW B | 1999年 / 59卷 / 03期
关键词：
D O I：
10.1103/PhysRevB.59.1617
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Exact results for the classical and quantum system of two vertically coupled two-dimensional single-electron quantum dots are obtained as a function of the interatomic distance (d) and with perpendicular magnetic field. The classical system exhibits a second-order structural transition as a function of d, which is smeared out and shifted to lower d values in the quantum case. The spin-singlet <-> spin-triplet oscillations are shifted to larger magnetic fields with increasing d and are quenched for a sufficiently large interatomic distance. [S0163-1829(99)09503-X].
引用
收藏
页码：1617 / 1620
页数：4
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