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Non-ideal MHD, Stability, and Dissipation in Protoplanetary Disks

4–8 Aug 2014
Niels Bohr Institute
Europe/Copenhagen timezone

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Session

Monday Afternoon

4 Aug 2014, 14:00
Auditorium A (Niels Bohr Institute)

Auditorium A

Niels Bohr Institute

Blegdamsvej 17 Copenhagen

Conveners

Monday Afternoon

  • Mordecai-Mark Mac Low (American Museum of Natural History)

Presentation materials

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  1. 19. The Formation and Evolution of Protoplanetary Disks: The Critical Effects of Non-Ideal Magnetohydrodynamics
    Prof. Shu-ichiro Inutsuka (Nagoya University)
    04/08/2014, 14:00
    This review starts with the description of the formation and early evolution of protoplanetary disks. Recent advance in the modeling with resistive magneto-hydrodynamics codes with various numerical techniques has enabled our understanding on the driving of outflows/jets and the formation of circumstellar disks in a self-consistent manner. This provides improved descriptions of the initial...
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  2. 41. Mass transport regimes in the solar protoplanetary disk - evidence from meteoritic components
    Prof. Martin Bizzarro (Centre for Star and Planet Formation)
    04/08/2014, 14:45
    Workshop Main Programme
    Chondrite meteorites are fragments of asteroids that did not undergo melting and differentiation and, thus, provide a record of the earliest stages of the solar protoplanetary disk. Ordinary and enstatite chondrites are derived from parent asteroids that originated in the accretion region of terrestrial planets whereas the parent asteroids of the water-rich carbonaceous chondrites most likely...
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  3. 15. Protostellar accretion disks and their outflows
    Dr Raquel Salmeron (The Australian National University)
    04/08/2014, 15:45
    Workshop Main Programme
    Magnetocentrifugal jets and magnetically-driven turbulence have been recognized as the leading candidates for transporting the excess angular momentum of protostellar disks, thereby enabling mass accretion onto the central object. It is also clear that magnetic diffusivity plays a central role in the overall disk accretion and outflow processes. However, the impact of magnetic dissipation on...
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  4. 2. Disk winds driven by MRI --some aspects and applications--
    Dr Takeru Suzuki (Department of Physics, Nagoya University)
    04/08/2014, 16:15
    Workshop Main Programme
    Magnetorotational instability is supposed to play a role in not only transporting the angular momentum in protoplanetary disks but also driving disk disk winds. However, detailed properties of the disk winds are not well understood. In this talk, starting from the result of our ideal MHD simulations for MRI-driven vertical outflows in a local shearing box, we discuss how the mass loss rate and...
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  5. 7. Global simulations of protoplanetary discs with Ohmic resistivity and ambipolar diffusion
    Dr Oliver Gressel (NBIA)
    04/08/2014, 16:45
    Workshop Main Programme
    As the nurseries of planetary systems, protoplanetary discs are of key interest to planet formation theory. Their dynamics and structure depend critically on the influence of magnetic fields. Being comparatively cold and dense, the physical state of the disc plasma is dominated by external ionizing X-ray and cosmic-ray radiation, leading to a layered vertical structure -- with turbulent,...
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  6. 29. Discussion I
    04/08/2014, 17:15
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