LOCALIZATION AND MANY-BODY INTERACTIONS IN THE QUANTUM HALL-EFFECT DETERMINED BY POLARIZED OPTICAL-EMISSION

被引：40

作者：

GOLDBERG, BB

HEIMAN, D

DAHL, M

PINCZUK, A

PFEIFFER, L

WEST, K

机构：

[1] MIT,FRANCIS BITTER NATL MAGNET LAB,CAMBRIDGE,MA 02139

[2] AT&T BELL LABS,MURRAY HILL,NJ 07974

来源：

PHYSICAL REVIEW B | 1991年 / 44卷 / 08期

关键词：

D O I：

10.1103/PhysRevB.44.4006

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Polarization analysis of optical emission from the electron gas in GaAs single quantum wells discriminates the separate contributions from spin-split electron states. In the extreme quantum limit, the vastly different electron populations of these two states allows the study of many-body phenomena in the presence of localization. Reduction in electron screening of the hole at nu = 1 appears to cause energy shifts in narrow quantum wells, while electron-hole binding dominates in wider wells. Evidence of a technique probing the spin-configuration of fractional quantum Hall states is also presented.

引用

收藏

页码：4006 / 4009

页数：4

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