M. P. Telenkov, Yu. A. Mityagin, V. V. Agafonov, K. K. Nagaraja, “Mechanism of energy relaxation in the system of Landau levels in quantum wells”, Pis'ma v Zh. Èksper. Teoret. Fiz., 2015, Volume 102, Issue 10,Pages <nobr>770

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CONDENSED MATTER

Mechanism of energy relaxation in the system of Landau levels in quantum wells

M. P. Telenkov^ab, Yu. A. Mityagin^ca, V. V. Agafonov^a, K. K. Nagaraja^ab

^a P. N. Lebedev Physical Institute, Russian Academy of Sciences, Moscow
^b National University of Science and Technology «MISIS»
^c National Engineering Physics Institute "MEPhI", Moscow

Abstract: The kinetics of intersubband relaxation of electron energy has been studied in the system of Landau levels lying below the optical phonon energy. The relaxation character in the considered system is revealed to differ qualitatively from that in the two-dimensional continuous subband of the quantum well. In particular, the mechanisms of electron subsystem thermalization and energy relaxation in the system of Landau levels are qualitatively different, and the electron subsystem relaxation time exceeds the thermalization time by several orders of magnitude.

Received: 28.08.2015
Revised: 06.10.2015

DOI: 10.7868/S0370274X15220099