L. I. Korovin1, *, I. G. Lang 1, and S. T. Pavlov2, **
1 Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg, 194021 Russia
2 Lebedev Physical Institute, Russian Academy of Sciences, Moscow, 117924 Russia
*e-mail: korovin@masha.shuv.pti.spb.su
**e-mail: pavlov@sci.lpi.ac.ru
Received October 6, 1999
Abstract—An analysis is made of the influence of the spatial dispersion of LO phonons and the exciton effect
on the energy spectrum of magnetopolarons in a quantum well. It is shown that in optical experiments where
light is incident normally on the plane of the quantum well, a discrete spectrum of magnetopolarons is observed.
Both the phonon dispersion and the Coulomb attraction of an electron and a hole may lead to a shift of the dis-
crete magnetopolaron energy levels and additional contributions to the broadening of various levels. © 2000
MAIK “Nauka/Interperiodica”.
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