From spatially indirect excitons to momentum-space indirect excitons by an in-plane magnetic field

被引：75

作者：

Butov, LV ^{[1
]}

Mintsev, AV

Lozovik, YE

Campman, KL

Gossard, AC

机构：

[1] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Russia

[2] Russian Acad Sci, Inst Spect, Troitsk 142092, Russia

[3] Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USA

[4] Univ Calif Santa Barbara, Ctr Quantized Elect Struct, Santa Barbara, CA 93106 USA

来源：

PHYSICAL REVIEW B | 2000年 / 62卷 / 03期

关键词：

D O I：

10.1103/PhysRevB.62.1548

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

An in-plane magnetic field is found to change drastically the photoluminescence spectra and kinetics of interwell excitons in GaAs/AlxGa1-xAs coupled quantum wells. This effect is clue to the in-plane magnetic-field-induced displacement of the interwell exciton dispersion in momentum space, which results in the transition from the momentum-space direct exciton ground state to the momentum-space indirect exciton ground state. An in-plane magnetic field is, therefore, an effective tool for exciton dispersion engineering.

引用

页码：1548 / 1551

页数：4

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