A theoretical Wigner-function approach to the study of quantum transport in open systems in presence of phonon scattering is presented. It is shown here that in order to solve the Wigner equation in its integral form the knowledge of the Wigner function at all points of the phase space at an initial time t0 can be substituted by the knowledge of the same function inside the region of interest at t0 and on its boundary at all times t′ less then the observation time t. The theory has been applied to calculate the current associated with electron quantum transport across given potential profiles and in presence of phonon scattering.

Quantum transport of electrons in open nanostructures with the Wigner-function formalism / Bordone, Paolo; M., Pascoli; Brunetti, Rossella; A., Bertoni; Jacoboni, Carlo; A., Abramo. - In: PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS. - ISSN 1098-0121. - STAMPA. - 59:(1999), pp. 3060-3069. [10.1103/PhysRevB.59.3060]

Quantum transport of electrons in open nanostructures with the Wigner-function formalism

BORDONE, Paolo;BRUNETTI, Rossella;JACOBONI, Carlo;
1999

Abstract

A theoretical Wigner-function approach to the study of quantum transport in open systems in presence of phonon scattering is presented. It is shown here that in order to solve the Wigner equation in its integral form the knowledge of the Wigner function at all points of the phase space at an initial time t0 can be substituted by the knowledge of the same function inside the region of interest at t0 and on its boundary at all times t′ less then the observation time t. The theory has been applied to calculate the current associated with electron quantum transport across given potential profiles and in presence of phonon scattering.
1999
59
3060
3069
Quantum transport of electrons in open nanostructures with the Wigner-function formalism / Bordone, Paolo; M., Pascoli; Brunetti, Rossella; A., Bertoni; Jacoboni, Carlo; A., Abramo. - In: PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS. - ISSN 1098-0121. - STAMPA. - 59:(1999), pp. 3060-3069. [10.1103/PhysRevB.59.3060]
Bordone, Paolo; M., Pascoli; Brunetti, Rossella; A., Bertoni; Jacoboni, Carlo; A., Abramo
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/613149
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