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June 2005 Trasport in Semicoductors at Saturated Velocities
Jan Haskovec, Christian Schmeiser
Commun. Math. Sci. 3(2): 219-233 (June 2005).

Abstract

A model for the transport of electrons in a semiconductor is considered where the electrons travel with saturation speed in the direction of the driving force computed self consistently from the Poisson equation. Since the velocity is discontinuous at zeroes of the driving force, an interpretation of the model in the distributional sense is not necessarily possible. For a spatially one-dimensional model existence of distributional solutions is shown by passing to the limit in a regularized problem corresponding to a scaled drift-diusion model with a velocity saturation assumption on the mobility. Several explicit solutions of the limiting problem are computed and compared to the results of numerical computations.

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Jan Haskovec. Christian Schmeiser. "Trasport in Semicoductors at Saturated Velocities." Commun. Math. Sci. 3 (2) 219 - 233, June 2005.

Information

Published: June 2005
First available in Project Euclid: 14 June 2005

MathSciNet: MR2164199

Rights: Copyright © 2005 International Press of Boston

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Vol.3 • No. 2 • June 2005
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