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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2005, Volume 81, Issue 3, Pages 139–143 (Mi jetpl1665)  
This article is cited in 2 scientific papers (total in 2 papers)

CONDENSED MATTER

Collective behavior of a spin-aligned gas of interwell excitons in double quantum wells

A. V. Larionova, M. Bayerb, J. Hvamc, K. Soerensenc

a Institute of Solid State Physics, Russian Academy of Sciences
b Experimentelle Physik II, Dortmund university, D-44221 Dortmund, Germany
c Microelectronic Centre, DK 2800 Lyngby, Denmark, Germany
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Abstract: The kinetics of a spin-aligned gas of interwell excitons in GaAs/AlGaAs double quantum wells ($n-i-n$ heterostructure) is studied. The temperature dependence of the spin relaxation time for excitons, in which a photoexcited electron and hole are spatially separated between two adjacent quantum wells, is analyzed. For this purpose, use was made of pulsed circularly polarized resonant photoexcitation of intrawell $1sHH$ excitons by a femtosecond frequency-controlled laser. A sharp increase in the spin-relaxation rate is observed for interwell excitons upon a change in temperature from 2 to 3.6 K. This effect is associated with indirect evidence of the coherence of the collective phase of interwell excitons at temperatures below the critical value.
Received: 20.12.2004
English version:
Journal of Experimental and Theoretical Physics Letters, 2005, Volume 81, Issue 3, Pages 108–111
DOI: https://doi.org/10.1134/1.1898000
Bibliographic databases:
Document Type: Article
PACS: 73.20.Mf, 73.21.Fg
Language: Russian
Citation: A. V. Larionov, M. Bayer, J. Hvam, K. Soerensen, “Collective behavior of a spin-aligned gas of interwell excitons in double quantum wells”, Pis'ma v Zh. Èksper. Teoret. Fiz., 81:3 (2005), 139–143; JETP Letters, 81:3 (2005), 108–111
Citation in format AMSBIB
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\paper Collective behavior of a spin-aligned gas of interwell excitons in double quantum wells
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\vol 81
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\jour JETP Letters
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    • This publication is cited in the following 2 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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