Three-Dimensional MHD Simulations of Self-Gravitational Magnetized Gaseous Slab under External Pressure

Details Three-Dimensional MHD Simulations of Self-Gravitational Magnetized Gaseous Slab under External Pressure Three-Dimensional MHD Simulations of Self-Gravitational Magnetized Gaseous Slab under External Pressure

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999sf99.proc..118u&link_type=abstract

Star Formation 1999, Proceedings of Star Formation 1999, held in Nagoya, Japan, June 21 - 25, 1999, Editor: T. Nakamoto, Nobeyam

Computer Science

Scientific paper

We carried out three-dimensional MHD simulations of magnetized gaseous slab under high external pressure with self-gravity. Our simulations show that, in non-magnetized slab, when the external pressure is high, the incompressible mode instability becomes dominant and the slab fragments to gravitationally stable clumps. This result is consistent with the linear analysis of Elmegreen and Elmegreen (1978). When the slab is penetrated by uniform magnetic fields, the slab first fragments into filaments whose major axis is parallel to the magnetic field lines. Next, the filaments are formed to fragment into clumps.

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