Exciton polaritons in quantum wells in a transverse magnetic field

被引：6

作者：

Loginov, D. K. ^{[1
]}

Kochereshko, V. P. ^{[2
]}

Platonov, A. V. ^{[2
]}

Davies, J. J. ^{[3
]}

Wolverson, D. ^{[3
]}

Smith, L. C. ^{[3
]}

Cox, R. T. ^{[4
]}

Cibert, J. ^{[4
]}

Mariette, H. ^{[4
]}

机构：

[1] St Petersburg State Univ, Fock Inst Phys, St Petersburg 198904, Russia

[2] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia

[3] Univ Bath, Dept Phys, Bath BA2 7AY, Avon, England

[4] CNRS UJF, Inst Neel, F-38042 Grenoble, France

来源：

PHYSICS OF THE SOLID STATE | 2009年 / 51卷 / 08期

基金：

俄罗斯基础研究基金会; 英国工程与自然科学研究理事会;

关键词：

SEMICONDUCTORS; SPECTROSCOPY; CDTE;

D O I：

10.1134/S1063783409080216

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

This paper reports on a study of the exciton polariton region in reflection spectra of wide CdTe/CdZnTe quantum wells (with well width exceeding by far the exciton Bohr radius) measured in Voigt geometry in a magnetic field. In a magnetic field, forbidden exciton lines were observed to appear for each exciton quantization level. The exciton diamagnetic shift constant has been observed to decrease noticeably with increasing number of the quantum confined level. A comparison of calculated with experimental spectra reveals a growth of the exciton translational mass with increasing magnetic field. It has been shown that both the growth of mass and the decrease of the diamagnetic shift can be traced to mixing of exciton internal with translational motion states.

引用

页码：1649 / 1655

页数：7

共 50 条

[1] Exciton polaritons in quantum wells in a transverse magnetic field
D. K. Loginov
V. P. Kochereshko
A. V. Platonov
J. J. Davies
D. Wolverson
L. C. Smith
R. T. Cox
J. Cibert
H. Mariette
[J]. Physics of the Solid State, 2009, 51 : 1649 - 1655
[2] Transverse magnetic field effects upon the exciton exchange interaction in quantum wells
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[4] EXCITON-POLARITONS IN QUANTUM-WELLS
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