【摘 要】
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This paper studies the zero-electron-mass limit, the quasi-neutral limit and the zerorelaxation-time limit in one-dimensional hydrodynamic models of Euler-Poiss
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This paper studies the zero-electron-mass limit, the quasi-neutral limit and the zerorelaxation-time limit in one-dimensional hydrodynamic models of Euler-Poisson system for plasmas and semiconductors. For each limit in the steady-state models, the author proves the strong convergence of the sequence of solutions and gives the corresponding convergence rate. In the time-dependent models, the author shows some useful estimates for the quasi-neutral limit and the zero-electron-mass limit. This study completes the analysis made in [11,12,13,14,19].
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