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Analytical model for the quantum‐confined Stark effect including electric field screening by non‐equilibrium carriers
Author(s) -
Bulashevich K. A.,
Karpov S. Yu.,
Suris R. A.
Publication year - 2006
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.200565432
Subject(s) - stark effect , quantum confined stark effect , electric field , physics , quantum , heterojunction , perturbation theory (quantum mechanics) , quantum well , condensed matter physics , quantum electrodynamics , quantum mechanics , laser
We have derived an analytical approximation for the energy levels in a symmetric quantum well applicable in a wide range of the electric field variation. Suppression of the quantum‐confined Stark effect due to the electric field screening by non‐equilibrium carriers is considered self‐consistently within the perturbation theory. Theoretical predictions are compared with available observations. Specific features of the quantum‐confined Stark effect in light‐emitting diode heterostructures are discussed. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)