Issue
J. Phys. III France
Volume 7, Number 2, February 1997
Page(s) 281 - 289
DOI https://doi.org/10.1051/jp3:1997121
DOI: 10.1051/jp3:1997121
J. Phys. III France 7 (1997) 281-289

Transient Solution Determination of the Boltzmann Equation Using a Polynomial Expansion

S. Tabikh1, 2, C. Gontrand2, 3 and J.P. Nougier4

1  Université des Antilles et de la Guyane, boulevard Légitimus, BP 771, 97173 Pointe-à-Pitre Cedex, France
2  Centre Inter-universitaire de Microélectronique de la Région Lyonnaise, 20 avenue A. Einstein, 69621 Villeurbanne Cedex, France
3  Laboratoire de Physique de La Matière U.A. CNRS N°358, Institut National des Sciences Appliquées de Lyon, 20 avenue A. Einstein, 69621 Villeurbanne Cedex, France
4  Centre d'Électronique de Montpellier URA CNRS N° 391, Université Montpellier II, 34095 Montpellier Cedex 5, France

(Received 8 March 1996, revised 4 July and 20 September 1996, accepted 8 November 1996)

Abstract
The transient and stationary Boltzmann equation are solved by using a Legendre-Laguerre polynomial expansion for p-Si. Its resolution technique is based on a least-square fitting algorithm. We show this method to be as accurate as the exact ones (particular or direct iterative process); the great interest lies on its fast computation, roughly 200 times faster than a monte-Carlo code for instance, for the same accuracy.



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