量子等离子体多流模型中的统计效应
Statistical Effects in the Multistream Model for Quantum Plasmas
摘要：
以Wigner-Poisson系统为动力学方程，给出了量子等离子体的统计多流描述。该系统的线性稳定性进行了分析，它示出了一个朗道样阻尼的平面波扰动发生由于背景Wigner函数，出现作为一个后果的统计变化的波函数相位的加宽。的朗道样阻尼示出，以抑制不稳定性的一个和两个流类型。
英文摘要：
A statistical multistream description of quantum plasmas is formulated, using the Wigner-Poisson system as dynamical equations. A linear stability analysis of this system is carried out, and it is shown that a Landau-like damping of plane wave perturbations occurs due to the broadening of the background Wigner function that arises as a consequence of statistical variations of the wave function phase. The Landau-like damping is shown to suppress instabilities of the one- and two-stream type.
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