VLSI Design

VLSI Design / 1998 / Article

Open Access

Volume 6 |Article ID 091675 | https://doi.org/10.1155/1998/91675

Ming-C. Cheng, "A New Concept for Solving the Boltzmann Transport Equation in Ultra-fast Transient Situations", VLSI Design, vol. 6, Article ID 091675, 6 pages, 1998. https://doi.org/10.1155/1998/91675

A New Concept for Solving the Boltzmann Transport Equation in Ultra-fast Transient Situations

Abstract

A concept based on relaxation of the hydrodynamic parameters is introduced to arrive at a computational model for the extreme non-equilibrium distribution function of carriers in multi-valley bandstructure. The relaxation times are taken to describe the evolution scale of the distribution function. The developed model is able to account for transport phenomena at the momentum relaxation scale. The model, together with the Monte Carlo simulation, is applied to obtain the electron distribution function in each valley of the lower conduction band in GaAs, and to study the evolution of the distribution function in GaAs subjected to rapid changes in field.

Copyright © 1998 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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