[ספר][B] Quasi-hydrodynamic semiconductor equations

A Jüngel - 2011‏ - books.google.com
In this book a hierarchy of macroscopic models for semiconductor devices is presented.
Three classes of models are studied in detail: isentropic drift-diffusion equations, energy …

A hierarchy of hydrodynamic models for plasmas zero-relaxation-time limits

A Jiingel, YJ Peng - Communications in partial differential …, 1999‏ - Taylor & Francis
We present a model hierarchy of hydrodynamic and quasihydrodynamic equations for
plasmas consisting of electrons and ions, and give a rigorous proof of the zero-relaxation …

The relaxation of the hydrodynamic model for semiconductors to the drift–diffusion equations

L Hsiao, K Zhang - Journal of Differential Equations, 2000‏ - Elsevier
We establish the convergence and consistency of approximate solutions derived by the
modified Godunov scheme for the initial-boundary value problem to a simplified one …

Quantifying the hydrodynamic limit of Vlasov-type equations with alignment and nonlocal forces

JA Carrillo, YP Choi, J Jung - Mathematical Models and Methods in …, 2021‏ - World Scientific
In this paper, we quantify the asymptotic limit of collective behavior kinetic equations arising
in mathematical biology modeled by Vlasov-type equations with nonlocal interaction forces …

THE GLOBAL WEAK SOLUTION AND RELAXATION LIMITS OF THE INITIAL–BOUNDARY VALUE PROBLEM TO THE BIPOLAR HYDRODYNAMIC MODEL FOR …

L Hsiao, K Zhang - Mathematical Models and Methods in Applied …, 2000‏ - World Scientific
The convergence and consistency of approximate solutions derived by the modified
Godunov scheme for the initial–boundary value problem to a bipolar hydrodynamic model …

A hierarchy of hydrodynamic models for plasmas. Zero-electron-mass limits in the drift-diffusion equations

A Jüngel, YJ Peng - Annales de l'Institut Henri Poincaré C, Analyse non …, 2000‏ - Elsevier
A model hierarchy of hydrodynamic and quasi-hydrodynamic equations for plasmas
consisting of electrons and ions is presented. The various model equations are obtained …

Global existence of plasma ion-sheaths and their dynamics

SY Ha, M Slemrod - Communications in mathematical physics, 2003‏ - Springer
When a negative high voltage pulse is applied to a target material immersed in a plasma, a
boundary layer (sheath) forms around the target and the motion of cold ions in the plasma is …

A geometric level-set formulation of a plasma-sheath interface

M Feldman, SY Ha, M Slemrod - Archive for rational mechanics and …, 2005‏ - Springer
In this paper, we present a new geometric level-set formulation of a plasma-sheath interface
arising in plasma physics. We formally derive the explicit dynamics of the interface from the …

On the relaxation limits of the hydrodynamic model for semiconductor devices

Y Qiu, K Zhang - Mathematical Models and Methods in Applied …, 2002‏ - World Scientific
The initial-boundary value problem of a simplified one-dimensional hydrodynamic model for
semiconductors is considered. The global weak solution and its relaxation limit are obtained …

Numerical study on hydrodynamic and quasi-neutral approximations for collisionless two-species plasmas

S Labrunie, JA Carrillo, P Bertrand - Journal of Computational Physics, 2004‏ - Elsevier
We present a numerical study aimed at assessing the validity of certain approximations,
chiefly the fluid and quasi-neutral ones, generally used in the theoretical and computational …