Physics – Plasma Physics
Scientific paper
May 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ppcn.conf..349m&link_type=abstract
In ESA, Fourth International Toki Conference on Plasma Physics and Controlled Nuclear Fusion p 349-352 (SEE N94-22624 05-75)
Physics
Plasma Physics
1
Astronomical Models, Interstellar Gas, Magnetic Field Configurations, Magnetohydrodynamic Stability, Molecular Clouds, Rotating Plasmas, Rotation, Interplanetary Medium, Interstellar Magnetic Fields, Interstellar Matter, Magnetic Clouds, Rotating Bodies, Star Formation
Scientific paper
Stability of filamentary molecular clouds against fragmentation was studied by means of a normal mode analysis. The model cloud is infinitely long along the axis and has an equilibrium density distribution. It rotates around the axis and is permeated with helical magnetic field strength. The dispersion relation was obtained as a function of rotation and magnetic fields. The model filamentary cloud is infinitely long and axisymmetric around the axis in equilibrium. It is supported against gravity by gas pressure, rotation, and magnetic force when in hydrodynamical equilibrium. The details of the model are described. The model with longitudinal magnetic fields and that with helical magnetic fields are discussed.
Hanawa Tomoyuki
Matsumoto Tomoaki
Nakamura Fumitaka
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