Current-density-functional approach to large quantum dots in intense magnetic fields

被引：43

作者：

Pi, M ^{[1
]}

Barranco, M

Emperador, A

Lipparini, E

Serra, L

机构：

[1] Univ Barcelona, Fac Fis, Dept Estructura & Constituents Mat, E-08028 Barcelona, Spain

[2] Univ Illes Balears, Fac Ciencies, Dept Fis, E-07071 Palma de Mallorca, Spain

[3] Univ Trent, Dipartimento Fis, I-38050 Trent, Italy

来源：

PHYSICAL REVIEW B | 1998年 / 57卷 / 23期

关键词：

D O I：

10.1103/PhysRevB.57.14783

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Within current-density-functional theory, we have studied a quantum dot made of 210 electrons confined in a disk geometry. The ground state of this large dot exhibits some features as a function of the magnetic field (B) that can be attributed in a clear way to the formation of compressible and incompressible states of the system. The orbital and spin angular momenta, the total energy, ionization and electron chemical potentials of the ground state, as well as the frequencies of far-infrared edge modes are calculated as a function of B, and compared with available experimental and theoretical results.

引用

页码：14783 / 14792

页数：10

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