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Pis'ma v Zh. Èksper. Teoret. Fiz., 2012, Volume 95, Issue 1, Pages 42–47 (Mi jetpl2416)  

This article is cited in 1 scientific paper (total in 1 paper)

CONDENSED MATTER

Stimulated polariton-polariton scattering and dynamic Bose-Einstein condensation of polaritons in GaAs microcavities under excitation near the exciton resonance

A. A. Demenev, S. S. Gavrilov, V. D. Kulakovskii

Institute of Solid State Physics, Russian Academy of Sciences

Abstract: The dynamics of formation of the macroscopically occupied polariton mode at the bottom of the polariton band $E_{LP}(k=0)$ and its spin polarization under the quasiresonant pulse excitation of excitons ($E = E_X$) with large values of quasi-momentum have been studied in planar GaAs microcavities. It has been found that the growth in the depth $E_X -E_{LP}(k=0)$ of the polariton band leads to the change in the formation mechanism for the $k = 0$ condensate state from the direct parametric decay of the photoexcited mode (due to the polariton-polariton interaction) to the dynamic condensation of polaritons, which results from the multiple scattering of polaritons by both phonons and polaritons. At the same time, in microcavities with $E_X-E_{LP}(k=0)>3.5$ meV, the direct decay of the photoexcited mode does not disappear, becoming an efficient mechanism for the filling of the states located at the $k$-space ring, corresponding to the energies $E_{LP}(\mathbf k) \approx E_X -2.6$ meV.

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English version:
Journal of Experimental and Theoretical Physics Letters, 2012, 95:1, 38–43

Bibliographic databases:

Document Type: Article
Received: 23.11.2011
Revised: 08.12.2011

Citation: A. A. Demenev, S. S. Gavrilov, V. D. Kulakovskii, “Stimulated polariton-polariton scattering and dynamic Bose-Einstein condensation of polaritons in GaAs microcavities under excitation near the exciton resonance”, Pis'ma v Zh. Èksper. Teoret. Fiz., 95:1 (2012), 42–47; JETP Letters, 95:1 (2012), 38–43

Citation in format AMSBIB
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\by A.~A.~Demenev, S.~S.~Gavrilov, V.~D.~Kulakovskii
\paper Stimulated polariton-polariton scattering and dynamic Bose-Einstein condensation of polaritons in GaAs microcavities under excitation near the exciton resonance
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2012
\vol 95
\issue 1
\pages 42--47
\mathnet{http://mi.mathnet.ru/jetpl2416}
\elib{http://elibrary.ru/item.asp?id=17706689}
\transl
\jour JETP Letters
\yr 2012
\vol 95
\issue 1
\pages 38--43
\crossref{https://doi.org/10.1134/S0021364012010043}
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\elib{http://elibrary.ru/item.asp?id=17980070}
\scopus{http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-84858275286}


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    This publication is cited in the following articles:
    1. Rahimi-Iman A., Chernenko A.V., Fischer J., Brodbeck S., Amthor M., Schneider C., Forchel A., Hoefling S., Reitzenstein S., Kamp M., “Coherence Signatures and Density-Dependent Interaction in a Dynamical Exciton-Polariton Condensate”, Phys. Rev. B, 86:15 (2012), 155308  crossref  adsnasa  isi  elib  scopus
  • Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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