Stability analysis of a three-stream quantum-plasma equilibrium

AUTOR(ES)

Haas, F., Manfredi, G., Goedert, J.

FONTE

Brazilian Journal of Physics

DATA DE PUBLICAÇÃO

2003-03

RESUMO

We apply the Nyquist method to analyze the stability of small amplitude electrostatic waves in quantum plasmas described by the Wigner-Poisson system. The technique is presented in detail to assess the stability of a threestream equilibrium distribution function. The topology of the Nyquist diagrams is substantially changed with increasing quantum diffraction effects.

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