Ferroplasmas: Magnetic Dust Dynamics in a Conducting Fluid

Details Ferroplasmas: Magnetic Dust Dynamics in a Conducting Fluid Ferroplasmas: Magnetic Dust Dynamics in a Conducting Fluid

2008-10-28

arxiv.org/abs/0810.5005v2

New J. Phys. 11 (2009) 073017.

Physics

Plasma Physics

6 pages, 1 figure

Scientific paper

10.1088/1367-2630/11/7/073017

We consider a dusty plasma, in which the dust particles have a magnetic dipole moment. A Hall-MHD type of model, generalized to account for the intrinsic magnetization, is derived. The model is shown to be energy conserving, and the energy density and flux is derived. The general dispersion relation is then derived, and we show that kinetic Alfv\'en waves exhibit an instability for a low temperature and high density plasma. We discuss the implication of our results.

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