THEORY FOR THE OSCILLATORY CYCLOTRON-RESONANCE EFFECTIVE-MASS IN A HETEROSTRUCTURE

被引：2

作者：

GUMBS, G

HUANG, DH

ZHANG, C

MANASREH, MO

机构：

[1] UNIV WOLLONGONG,DEPT PHYS,WOLLONGONG,NSW 2500,AUSTRALIA

[2] ELRA,WRIGHT LAB,SOLID STATE ELECTR DIRECTORATE,WRIGHT PATTERSON AFB,OH 45433

[3] CUNY,GRAD SCH & UNIV CTR,NEW YORK,NY 10036

来源：

JOURNAL OF APPLIED PHYSICS | 1994年 / 75卷 / 02期

关键词：

D O I：

10.1063/1.356445

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The Hartree-Fock treatment of cyclotron resonance (CR) [see A. H. MacDonald, J. Phys. C 18, 1003 (1985)] is generalized by including the correlation contribution to the screening by the electrons. It is found that the CR effective mass m* is an oscillatory function of the magnetic field, which is due to the filling-factor-dependent dynamic screening of the electron-impurity scattering. It is demonstrated that as the Landau levels are depleted with increasing magnetic field, m* has a maximum at half-filling. Similar behavior has also been found in CR absorption of the two-dimensional electron gas in a high-mobility heterostructure.

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页码：902 / 907

页数：6

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