Abstract
The effect of a transverse electric field on the multiphonon absorption of light in quantum-well systems in a uniform magnetic field aligned parallel to the spatial quantization axis is investigated. It is shown that, when the interaction of an electron with long-wavelength vibrations is taken into account, the half-width of the absorption line does not depend on the electric-field vector E. As the electric field strength increases, the maximum of the light absorption shifts toward the long-wavelength range and decreases. The effect of the electric field on the shape of the zero-phonon line and first vibrational satellites is analyzed with due regard for the interaction of charge carriers with optical phonons. It is demonstrated in particular that the half-width of the zero-phonon line substantially depends on the electric-field vector E and can reach several millielectron-volts at the electric field strength E = 2 × 104 V/cm.
Published Version
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