Nano Science and Technology Institute
Nanotech 2002 Vol. 1
Nanotech 2002 Vol. 1
Technical Proceedings of the 2002 International Conference on Modeling and Simulation of Microsystems
Chapter 10: Quantum Effects, Quantum Devices and Spintronics

Simulation of Wigner Function Transport in Tunneling and Quantum Structures

Authors:C. Jacoboni, A. Bertoni, P. Bordone and N. Giacobbi
Affilation:University of Modena, IT
Pages:474 - 477
Keywords:Wigner function, quantum transport, Monte Carlo, mesoscopic systems, tunneling
Abstract: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.
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