Force-Free and Multifluid Relativistic Plasmas

Details Force-Free and Multifluid Relativistic Plasmas Force-Free and Multifluid Relativistic Plasmas

May 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21641010p&link_type=abstract

American Astronomical Society, AAS Meeting #216, #410.10; Bulletin of the American Astronomical Society, Vol. 41, p.819

Astronomy and Astrophysics

Astrophysics

Scientific paper

We investigate two topics in Relativistic Astrophysics:
'Force-Free' Evolution with boundary pressure: In the large σ limit, the evolution of magnetic fields around a rotating accretion disk are approximately force free. Field lines are wrapped up by the disk and expand outward with ExB velocity. We simulate this, retaining pressure terms far from the disk, and investigate how the morphology and evolution of the fields are changed by external pressure.
'Relativistic Multi-fluid Plasmas': We describe a 'minimal coupling' model of charged relativistic (both bulk and thermal motion) magnetofluids, and derive a minimization principle for relaxed states. Applications to pair-plasma relativistic reconnection are presented.

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