Intersubband resonant effects of dissipative transport in quantum wires

D. Jovanovic, S. Briggs, and J. P. Leburton
Phys. Rev. B 42, 11108 – Published 15 December 1990
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Abstract

We investigate the effects of inelastic optical- and acoustic-phonon scattering in quasi-one-dimensional systems with up to 20 subbands. We use a direct-integration Monte Carlo method to study intersubband scattering effects when the subband spacing approaches resonance (nΔE being the optical-phonon energy of 36 meV). Simulations performed on first-, second-, and third-order resonant structures at temperatures ranging from 150 to 300 K reveal the appearance of dissipative transport properties. Specifically, nonlinearities in the electron distribution induce velocity fluctuations analogous to the longitudinal magnetophonon effect and generate population inversions between adjacent subbands.

  • Received 3 May 1990

DOI:https://doi.org/10.1103/PhysRevB.42.11108

©1990 American Physical Society

Authors & Affiliations

D. Jovanovic, S. Briggs, and J. P. Leburton

  • Beckman Institute for Advanced Science and Technology and the Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801

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Vol. 42, Iss. 17 — 15 December 1990

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