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SUMMARY:Modelling microphysics in MHD: ambipolar diffusion\, chemistry\, a
 nd cosmic rays
DTSTART;VALUE=DATE-TIME:20200513T142000Z
DTEND;VALUE=DATE-TIME:20200513T144000Z
DTSTAMP;VALUE=DATE-TIME:20240704T115619Z
UID:indico-contribution-57@meetings.aip.de
DESCRIPTION:Speakers: Tommaso Grassi (USM/LMU)\nFrom molecular clouds to p
 rotoplanetary disks\, non-ideal magnetic effects are important in many ast
 rophysical environments. Indeed\, in star and disk formation processes\, i
 t has become clear that these effects are critical to the evolution of the
  system. The efficacy of non-ideal effects are\, however\, determined by t
 he complex interplay between magnetic fields\, ionising radiation\, cosmic
  rays\, microphysics\, and chemistry. In order to understand these key mic
 rophysical parameters\, we present a one-dimensional non-ideal magnetohydr
 odynamics code and apply it to a model of a time-dependent\, oblique\, mag
 netic shock wave. By varying the microphysical ingredients of the model\, 
 we find that cosmic rays and dust play a major role\, and that\, despite t
 he uncertainties\, the inclusion of microphysics is essential to obtain a 
 realistic outcome in magnetic astrophysical simulations.\n\nhttps://meetin
 gs.aip.de/event/1/contributions/57/
LOCATION:Leibniz Institute for Astrophysics Potsdam (AIP) Lecture Hall
URL:https://meetings.aip.de/event/1/contributions/57/
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