Astronomy and Astrophysics – Astrophysics
Scientific paper
May 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aps..aprr14004m&link_type=abstract
American Physical Society, April Meeting, 2004, May 1-4, 2004, Denver, Colorado April 2004, MEETING ID: APR04, abstract #R14.004
Astronomy and Astrophysics
Astrophysics
Scientific paper
Fundamental properties of dust grains in astrophysical plasmas are still not well understood. A variety of codes has been developed for the kinetic modeling of dusty plasma, many based on the particle-in-cell (PIC) algorithm. However, most of these codes work in the electrostatic limit. For some problems, including e.g. dust in relativistic plasmas or for scattering problems, the electromagnetic treatment would be desirable. Removing a particle in an electromagnetic PIC simulation when it crosses a cell surface corresponds to charging this surface. Dielectric dust grains can therefore easily be modeled by particle absorbers. Here we present results of electromagnetic dust simulations, using the parallel, versatile parallel plasma simulation code VORPAL. Results will include charging of a few dust grains and wake formation in 2D and 3D.
Horanyi Mihaly
Messmer Peter
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