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Radial Drift of Dust in Protoplanetary Disks: The Evolution of Ice lines and Dead zones
Alex J. Cridland, Ralph E. Pudritz, Tilman Birnstiel
We have developed a new model for the astrochemical structure of a viscously evolving protoplanetary disk that couples an analytic description of the disk's temperature and density…
Testing dust trapping in the circumbinary disk around GG Tau A
P. Cazzoletti, L. Ricci, T. Birnstiel +1
The protoplanetary disk around the GGTau A binary system is so far one of the most studied young circumbinary disk. Observations of the dust continuum emission at sub-mm/mm wavelen…
Can dead zones create structures like a transition disk?
Paola Pinilla, Mario Flock, Maria de Juan Ovelar +1
[Abridged] Regions of low ionisation where the activity of the magneto-rotational instability is suppressed, the so-called dead zones, have been suggested to explain gaps and asymm…
Investigating dust trapping in transition disks with millimeter-wave polarization
A. Pohl, A. Kataoka, P. Pinilla +3
Spatially resolved polarized (sub-)mm emission has been observed for example in the protoplanetary disk around HL Tau. Magnetically aligned grains are commonly interpreted as the s…
Measuring Turbulence in TW Hya with ALMA: Methods and Limitations
Richard Teague, Stephane Guilloteau, Dmitry Semenov +7
We obtain high spatial and spectral resolution images of the CO J=2-1, CN N=2-1 and CS J=5-4 emission with ALMA in Cycle~2. The radial distribution of the turbulent broadening is d…
Dust Evolution and the Formation of Planetesimals
T. Birnstiel, M. Fang, A. Johansen
The solid content of circumstellar disks is inherited from the interstellar medium: dust particles of at most a micrometer in size. Protoplanetary disks are the environment where t…