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Kinetic and Structural Evolution of Self-gravitating, Magnetized Clouds: 2.5-Dimensional Simulations of Decaying Turbulence
Eve C. Ostriker, Charles F. Gammie, James M. Stone
The molecular component of the Galaxy is comprised of turbulent, magnetized clouds, many of which are self-gravitating and form stars. To understand how these clouds' evolution may…
Dissipation in Compressible MHD Turbulence
James M. Stone, Eve C. Ostriker, Charles F. Gammie
We report results of a three dimensional, high resolution (up to 512^3) numerical investigation of supersonic compressible magnetohydrodynamic turbulence. We consider both forced a…
Nonlinear Evolution of the Magnetorotational Instability in Ion-Neutral Disks
John F. Hawley, James M. Stone
We carry out three-dimensional magnetohydrodynamical simulations of the magnetorotational (Balbus-Hawley) instability in weakly-ionized plasmas. We adopt a formulation in which the…
Dynamics on the Edge: Star-Disk Interaction
James M. Stone
Our understanding of the dynamical processes which control the structure and evolution of the interaction region between an accretion disk and the central star is reviewed. If the…