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Finite Motion of Microparticles in Tunnel‐Effect Multiquantum Well Structures
Author(s) -
Volkov R. A.,
Chuiko A. F.
Publication year - 1988
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.2221480109
Subject(s) - sawtooth wave , quantum well , quantum tunnelling , semiconductor , charge carrier , wave function , physics , perturbation (astronomy) , charge (physics) , condensed matter physics , materials science , atomic physics , quantum mechanics , laser , computer science , computer vision
Abstract A perturbation theory is developed for calculating eigenenergies (EE) and wave functions (WF) of a microparticle localized in a multiquantum well (MQW) semiconductor structure. Elastic tunnellings of one charge carrier and many charge carriers between quantum wells (QW) of arbitrary smooth shape are investigated. It is concluded that non‐decaying periodic currents can arise in the above structure. Analytical expressions are obtained for such currents and for times of tunnelling across the barriers of a set of QWs. Many‐particle tunnellings in a sawtooth double‐QW structure are considered.