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- W2050349731 endingPage "6619" @default.
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- W2050349731 abstract "The cyclotron-resonance linewidth (CRLW) is calculated in GaAs/${mathrm{Ga}}_{1mathrm{ensuremath{-}}mathit{x}}$${mathrm{Al}}_{mathit{x}}$As single-quantum-well structures in the temperature range 1 KT300 K. Contributions to the CRLW due to electron--acoustic-phonon and electron--short-range-impurity interactions are treated on equal footing within the Green's-function formalism. Frequency-dependent self-energies of the above couplings are determined self-consistently with the density of states of two-dimensional electrons under strong magnetic field at low temperatures. The broadening due to the optical phonons is introduced through an elastic-scattering approximation at high temperatures. Our results are compared with available experiments in the low- and high-temperature regimes and good agreement is found. From the real part of the self-energy, we have calculated the electron effective mass as a function of temperature and found that the acoustic-phonon correction is not negligible." @default.
- W2050349731 created "2016-06-24" @default.
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- W2050349731 date "1991-03-15" @default.
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- W2050349731 title "Temperature dependence of the cyclotron-resonance linewidth and effective mass in GaAs/<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant=normal>Ga</mml:mi></mml:mrow><mml:mrow><mml:mn>1</mml:mn><mml:mi mathvariant=normal>−</mml:mi><mml:mi mathvariant=italic>x</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math><mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:msub><mml:mrow><…" @default.
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- W2050349731 doi "https://doi.org/10.1103/physrevb.43.6612" @default.
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