QUANTUM-BEAT SPECTROSCOPY OF THE ZEEMAN SPLITTING OF HEAVY-HOLE AND LIGHT-HOLE EXCITONS IN GAAS/ALXGA1-XAS QUANTUM-WELLS

被引：18
|
作者：
CARMEL, O
SHTRIKMAN, H
BARJOSEPH, I
机构：
[1] Department of Physics, Weizmann Institute of Science
来源：
PHYSICAL REVIEW B | 1993年 / 48卷 / 03期
关键词：
D O I：
10.1103/PhysRevB.48.1955
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Quantum-beat spectroscopy is used to determine the exciton Zeeman splitting and Lande factor in narrow (30 angstrom) and wide (120 angstrom) GaAs quantum wells. We find that while the heavy-hole splitting decreases with well width, the light hole exhibits an opposite trend. Measurements of higher magneto-excitons of the wide well show significant increase in the Zeeman splitting with respect to the lowest heavy-hole exciton.
引用
收藏
页码：1955 / 1958
页数：4
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