Kinetics of a superlattice array of quasi-one-dimensional electron gases

I. I. Boiko, P. Vasilopoulos, and V. I. Sheka
Phys. Rev. B 45, 13572 – Published 15 June 1992
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Abstract

Quantum-transport equations and relaxation frequencies are derived for a superlattice array of quantum wires, taking into account dynamical screening and the tunneling between the wires in the tight-binding approximation. The momentum relaxation frequency for scattering by volume and sheet impurities is evaluated and shown to depend on the superlattice period l in a nontrivial manner. Competition between tunneling and screening effects results in a particular value of l for which the relaxation frequency is minimum corresponding to a maximum conduction.

  • Received 4 November 1991

DOI:https://doi.org/10.1103/PhysRevB.45.13572

©1992 American Physical Society

Authors & Affiliations

I. I. Boiko

  • Institute of Semiconductors, Academy of Sciences, Kiev, U.S.S.R.

P. Vasilopoulos

  • Concordia University, Department of Physics, 1455 de Maisonneuve Boulevard O, Montre´al, Que´bec, Canada H3G 1M8

V. I. Sheka

  • Institute of Semiconductors, Academy of Sciences, Kiev, U.S.S.R.

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Vol. 45, Iss. 23 — 15 June 1992

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