Magnetization in short-period mesoscopic electron systems

被引：10
|
作者：
Gudmundsson, V
Erlingsson, SI
Manolescu, A
机构：
[1] Univ Iceland, Inst Sci, IS-107 Reykjavik, Iceland
[2] Inst Natl Fiz Mat, Bucharest, Romania
来源：
PHYSICAL REVIEW B | 2000年 / 61卷 / 07期
关键词：
D O I：
10.1103/PhysRevB.61.4835
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We calculate the magnetization of the two-dimensional electron gas in a short-period lateral superlattice, with the Coulomb interaction included in Hartree and Hatree-Fock approximations. We compare the results for a finite, mesoscopic system modulated by a periodic potential, with the results for the infinite periodic system. In addition to the expected strong exchange effects, the size of the system, the type and the strength of the lateral modulation leave their fingerprints on the magnetization.
引用
收藏
页码：4835 / 4843
页数：9
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