Phonons in quantum wires

Claudia Bungaro; Paolo Lugli; F. Rossi; Lucio Rota; Elisa Molinari

doi:10.1117/12.137693

21 October 1992 Phonons in quantum wires

Claudia Bungaro, Paolo Lugli, F. Rossi, Lucio Rota, Elisa Molinari

Proceedings Volume 1677, Ultrafast Lasers Probe Phenomena in Semiconductors and Superconductors; (1992) https://doi.org/10.1117/12.137693
Event: Semiconductors '92, 1992, Somerset, NJ, United States

Abstract

We present a detailed study of phonons in rectangular quantum wires within the dielectric continuum model and within a fully microscopic approach. From the latter, we calculate the phonon dispersions and the potentials associated to the individual modes. The classification of such modes is much more complex than in the corresponding two dimensional case, owing to the intrinsic coupling of confined and interface modes associated to both directions perpendicular to the wire. This indicates a failure of the current implementations of the macroscopic dielectric continuum model.

Citation Download Citation

Claudia Bungaro, Paolo Lugli, F. Rossi, Lucio Rota, and Elisa Molinari "Phonons in quantum wires", Proc. SPIE 1677, Ultrafast Lasers Probe Phenomena in Semiconductors and Superconductors, (21 October 1992); https://doi.org/10.1117/12.137693

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