Cyclotron resonance of an interacting polaron gas in a quantum well: Magnetoplasmon-phonon mixing

S. N. Klimin and J. T. Devreese
Phys. Rev. B 68, 245303 – Published 5 December 2003
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Abstract

Cyclotron-resonance (CR) spectra of a gas of interacting polarons confined in a GaAs/AlAs quantum well are theoretically investigated taking into account the magnetoplasmon-phonon mixing and band nonparabolicity. Contributions of different magnetoplasmon-phonon modes to the total magnetopolaron coupling strength are investigated as a function of the electron density. It is confirmed theoretically, that the resonant magnetopolaron coupling in a high-density GaAs/AlAs quantum well occurs near the GaAs TO-phonon frequency rather than near the GaAs LO-phonon frequency. Calculated CR spectra are in agreement with recent experimental data.

  • Received 18 June 2003

DOI:https://doi.org/10.1103/PhysRevB.68.245303

©2003 American Physical Society

Authors & Affiliations

S. N. Klimin* and J. T. Devreese

  • Theoretische Fysica van de Vaste Stoffen, Universiteit Antwerpen, B-2610 Antwerpen, Belgium

  • *Permanent address: Department of Theoretical Physics, State University of Moldova, str. A. Mateevici 60, MD-2009 Kishinev, Republic of Moldova.
  • Also at: Technische Universiteit Eindhoven, P. B. 513, 5600 MB Eindhoven, The Netherlands.

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Issue

Vol. 68, Iss. 24 — 15 December 2003

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