We investigate the relaxation problem for the hydrodynamic isentropic Euler-Poisson system when the momentum relaxation time tends to zero. Very sharp estimates on the solutions, independent of the relaxation time, are obtained and used to establish compactness.

WEAK SOLUTIONS TO A HYDRODYNAMIC MODEL FOR SEMICONDUCTORS AND RELAXATION TO THE DRIFT-DIFFUSION EQUATION

MARCATI, PIERANGELO;
1995

Abstract

We investigate the relaxation problem for the hydrodynamic isentropic Euler-Poisson system when the momentum relaxation time tends to zero. Very sharp estimates on the solutions, independent of the relaxation time, are obtained and used to establish compactness.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.12571/2000
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