Nanotech 2002 Vol. 1
Nanotech 2002 Vol. 1
Technical Proceedings of the 2002 International Conference on Modeling and Simulation of Microsystems

Quantum Effects, Quantum Devices and Spintronics Chapter 10

Simulation of Wigner Function Transport in Tunneling and Quantum Structures

Authors: C. Jacoboni, A. Bertoni, P. Bordone and N. Giacobbi

Affilation: University of Modena, Italy

Pages: 474 - 477

Keywords: Wigner function, quantum transport, Monte Carlo, mesoscopic systems, tunneling

The Wigner-function approach to quantum transport in mesoscopic electron devices is presented. The concept of Wigner paths allows the formulation of a Monte Carlo simulation which is quantum mechanically rigorous and yet very similar to the one used in semi-classical transport theory. The effect of a potential profile is separated into a term acting as a classical force in the particle orbits and a scattering integral that contains only quantum effects. Phonon scattering is included in the paths in a way that takes automatically into account all quantum effects, such as intracollisional field effect and collisional broadening.

ISBN: 0-9708275-7-1
Pages: 764

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