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Intersubband scattering in n-GaAs/AlGaAs wide quantum wells

Mesoscale and Nanoscale Physics 2018-02-28 v1
Authors: I. L. Drichko , I. Yu. Smirnov , M. O. Nestoklon , A. V. Suslov , D. Kamburov , K. W. Baldwin , L. N. Pfeiffer , K. W. West , L. E. Golub
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Abstract

Slow magnetooscilations of the conductivity are observed in a 75 nm wide quantum well at heating of the two-dimensional electrons by a high-intensity surface acoustic wave. These magnetooscillations are caused by intersubband elastic scattering between the symmetric and asymmetric subbands formed due to an electrostatic barrier in the center of the quantum well. The tunneling splitting between these subbands as well as the intersubband scattering rate are determined.

Keywords

quantum wells intersubband scattering surface acoustic wave magnetoconductivity oscillations tunneling splitting GaAs/AlGaAs

Cite

@article{arxiv.1801.03708,
  title  = {Intersubband scattering in n-GaAs/AlGaAs wide quantum wells},
  author = {I. L. Drichko and I. Yu. Smirnov and M. O. Nestoklon and A. V. Suslov and D. Kamburov and K. W. Baldwin and L. N. Pfeiffer and K. W. West and L. E. Golub},
  journal= {arXiv preprint arXiv:1801.03708},
  year   = {2018}
}

Comments

5 pages, 5 figures

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