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Resonant Raman scattering from LO phonons in the presence of a constant magnetic field is considered. We calculate the differential extinction coefficient, including effects of the electron-phonon interaction, for a doped semiconductor. It is shown that significant deviations from the Lorentzian line shape may appear due to hybridization of the phonon mode with the cyclotron modes, when for certain geometries, a harmonic of the cyclotron frequency is approximately equal to the LO-phonon frequency. An application is made for GaAs.
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Frota-Pessôa et al. (1976) studied this question.
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