High resolution spectroscopy of excitons in Cu2O

被引：15

作者：

Froehlich, D. ^{[1
]}

Brandt, J.

Sandfort, C.

Bayer, M.

Stolz, H.

机构：

[1] Univ Dortmund, Inst Phys, D-44221 Dortmund, Germany

[2] Univ Rostock, Fachbereich Phys, D-18051 Rostock, Germany

来源：

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2006年 / 243卷 / 10期

关键词：

D O I：

10.1002/pssb.200668060

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The lowest ortho- and paraexcitons of Cu2O are studied by high-resolution spectroscopy. After a detailed description of the experimental setup, the quadrupole polariton is extended to a two-oscillator resonance. As an example, the group velocity of the M = +/- 1 orthoexciton components in a magnetic field of 0.1 T is measured and fitted to a two-oscillator model with f (oscillator strength) as the only fit parameter. The paraexciton resonance is measured in a magnetic field of 10 T. Its oscillator strength is by almost a factor 200 lower than the oscillator strength of the orthoexciton. (c) 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：2367 / 2374

页数：8

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