Investigation of ballistic transport through resonant-tunnelling quantum wells using wigner function approach

Umberto Ravaioli; Mohamed A. Osman; Walter Pötz; Norman Kluksdahl; David K. Ferry

doi:10.1016/0378-4363(85)90317-1

Investigation of ballistic transport through resonant-tunnelling quantum wells using wigner function approach

Umberto Ravaioli, Mohamed A. Osman, Walter Pötz, Norman Kluksdahl, David K. Ferry

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76 Scopus citations

Abstract

We present a Wigner function study of quantum ballistic transport through resanant-tunneling quantum wells, as found in devices which employ a double barrier formed by layers of GaAs and AlGaAs. The Wigner equation-of-motion is numerically solved, in an effective-mass Hamiltonian formulation. The inclusion of scattering is also attempted using a simple relaxation term.

Original language	English (US)
Pages (from-to)	36-40
Number of pages	5
Journal	Physica B+C
Volume	134
Issue number	1-3
DOIs	https://doi.org/10.1016/0378-4363(85)90317-1
State	Published - Nov 1985

ASJC Scopus subject areas

General Engineering

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title = "Investigation of ballistic transport through resonant-tunnelling quantum wells using wigner function approach",

abstract = "We present a Wigner function study of quantum ballistic transport through resanant-tunneling quantum wells, as found in devices which employ a double barrier formed by layers of GaAs and AlGaAs. The Wigner equation-of-motion is numerically solved, in an effective-mass Hamiltonian formulation. The inclusion of scattering is also attempted using a simple relaxation term.",

author = "Umberto Ravaioli and Osman, {Mohamed A.} and Walter P{\"o}tz and Norman Kluksdahl and Ferry, {David K.}",

year = "1985",

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AU - Ravaioli, Umberto

AU - Osman, Mohamed A.

AU - Pötz, Walter

AU - Kluksdahl, Norman

AU - Ferry, David K.

PY - 1985/11

Y1 - 1985/11

N2 - We present a Wigner function study of quantum ballistic transport through resanant-tunneling quantum wells, as found in devices which employ a double barrier formed by layers of GaAs and AlGaAs. The Wigner equation-of-motion is numerically solved, in an effective-mass Hamiltonian formulation. The inclusion of scattering is also attempted using a simple relaxation term.

AB - We present a Wigner function study of quantum ballistic transport through resanant-tunneling quantum wells, as found in devices which employ a double barrier formed by layers of GaAs and AlGaAs. The Wigner equation-of-motion is numerically solved, in an effective-mass Hamiltonian formulation. The inclusion of scattering is also attempted using a simple relaxation term.

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JO - Physica B+C

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ER -

Investigation of ballistic transport through resonant-tunnelling quantum wells using wigner function approach

Abstract

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