Radiation-condensation instability in a four-fluid dusty plasma

Details Radiation-condensation instability in a four-fluid dusty plasma Radiation-condensation instability in a four-fluid dusty plasma

2007-05-18

arxiv.org/abs/0705.2638v1

Physics

Plasma Physics

7 pages, 3 figures, accepted in Physics of Plasmas

Scientific paper

10.1063/1.2746872

In this work linear stability analysis of a four-fluid optically thin plasma consisting of electrons, ions, neutral atoms, and charged dust particles is performed with respect to the radiation-condensation (RC) instability. The energy budget of the plasma involves the input from heating through photo-electron emission by dust particles under external ultraviolet radiation as well as radiative losses in inelastic electron-neutral, electron-ion, neutral-neutral collisions. It is shown that negatively charged particles stimulate the RC instability in the sense that the conditions for the instability to hold are wider than similar conditions in a single-fluid description.

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