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new-ppd-environments SIGNED

First-principles global MHD disc simulations: Defining planet-forming environments in early solar systems

Total Cost €


EC-Contrib. €






 new-ppd-environments project word cloud

Explore the words cloud of the new-ppd-environments project. It provides you a very rough idea of what is the project "new-ppd-environments" about.

templates    theoreticians    classic    solids    advancements    theory    ambipolar    ideally    instance    ionised    tenuously    ray    dominate    building    plasma    local    surface    magnetically    cosmic    launched    tenuous    magnetic    accretion    planetesimals    undergo    structure    protoplanetary    group    previously    cold    forefront    audience    dust    discs    turned    successful    dead    parts    picture    decoupled    alma    pebbles    fundamental    computer    influence    array    telescope    layered    nurseries    limitations    evolution    ionisation    shift    critically    thereby    midplane    endeavour    external    gaseous    planet    made    physical    hot    regions    dramatic    radiative    disc    radiation    simplified    density    mhd    upside    magnetised    vertical    skilled    wind    interpret    ignored    planetary    corona    dynamics    diffusion    dynamical    micro    realistic    turbulent    magneto    zone    predicted    communicate    simulations    observations    interface    thermodynamic    assertive    me    models    comparatively    uv    shapes    dense    turn    stabilised    centrifugal    date    couple    layers    global    grains    blocks    environment    dominated    assembly   

Project "new-ppd-environments" data sheet

The following table provides information about the project.


Organization address
postcode: 14482

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Germany [DE]
 Project website
 Total cost 1˙392˙763 €
 EC max contribution 1˙392˙763 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2014-STG
 Funding Scheme ERC-STG
 Starting year 2015
 Duration (year-month-day) from 2015-06-01   to  2020-05-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
2    KOBENHAVNS UNIVERSITET DK (KOBENHAVN) participant 1˙069˙443.00


 Project objective

The aim of this ambitious research project is to produce the most realistic computer simulations of gaseous protoplanetary accretion discs to date, and thereby define in an assertive way the environment that shapes the assembly and early evolution of planetary systems. In their role as planet nurseries, protoplanetary discs are of key interest to planet formation theory. Their dynamical, radiative and thermodynamic properties critically define the environment for embedded solids: dust grains, pebbles and planetesimals. In short, the building blocks of planet formation. The discs’ dynamics and structure in turn depend critically on the influence of magnetic fields that couple to tenuously ionised and low-density regions. Being comparatively cold and dense, the ionisation state of the disc plasma is dominated by external far-UV, X-Ray, and cosmic-ray radiation, leading to a layered vertical structure – with turbulent, magnetised surface layers and a magnetically-decoupled midplane. This classic ‘dead-zone’ picture is now turned upside-down by previously ignored micro-physical effects. For instance, ambipolar diffusion is predicted to dominate in the tenuous hot corona of the disc. It is expected that parts of the disc will thus be stabilised and a magneto-centrifugal wind will be launched. This has so far only been studied in very simplified local models that are affected by fundamental limitations. Our understanding of the structure of protoplanetary discs is about to undergo a dramatic shift, and my proposed research is at the forefront of this development. My recent successful work at the interface between MHD dynamics and planet formation theory makes me ideally skilled to lead a research group in this endeavour and to communicate advancements to a wide audience of theoreticians in planet formation. Our ambitious global simulations will furthermore provide realistic templates to interpret new observations made with the ALMA telescope array.


year authors and title journal last update
List of publications.
2017 O. Gressel
Toward realistic simulations of magneto-thermal winds from weakly-ionized protoplanetary disks
published pages: , ISSN: , DOI:
Proceedings, 11th International Conference on Numerical Modeling of Space Plasma Flows (ASTRONUM-2016) 2019-05-28
2017 Karin I. Öberg, Viviana V. Guzmán, Christopher J. Merchantz, Chunhua Qi, Sean M. Andrews, L. Ilsedore Cleeves, Jane Huang, Ryan A. Loomis, David J. Wilner, Christian Brinch, Michiel Hogerheijde
H 2 CO Distribution and Formation in the TW HYA Disk
published pages: 43, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aa689a
The Astrophysical Journal 839/1 2019-05-28
2017 Colin P. McNally, Richard P. Nelson, Sijme-Jan Paardekooper, Oliver Gressel, Wladimir Lyra
Low mass planet migration in magnetically torqued dead zones – I. Static migration torque
published pages: 1565-1575, ISSN: 0035-8711, DOI: 10.1093/mnras/stx2136
Monthly Notices of the Royal Astronomical Society 472/2 2019-05-28
2016 O. M. Umurhan, R. P. Nelson, O. Gressel
Linear analysis of the vertical shear instability: outstanding issues and improved solutions
published pages: A33, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201526494
Astronomy & Astrophysics 586 2019-05-28
2018 Pablo Benítez-Llambay, Martin E. Pessah
Torques Induced by Scattered Pebble-flow in Protoplanetary Disks
published pages: L28, ISSN: 2041-8213, DOI: 10.3847/2041-8213/aab2ae
The Astrophysical Journal 855/2 2019-05-28
2017 Yuri I. Fujii, Hiroshi Kobayashi, Sanemichi Z. Takahashi, Oliver Gressel
Orbital Evolution of Moons in Weakly Accreting Circumplanetary Disks
published pages: 194, ISSN: 1538-3881, DOI: 10.3847/1538-3881/aa647d
The Astronomical Journal 153/4 2019-05-28
2017 Lee Hartmann, Fred Ciesla, Oliver Gressel, Richard Alexander
Disk Evolution and the Fate of Water
published pages: 813-834, ISSN: 0038-6308, DOI: 10.1007/s11214-017-0406-0
Space Science Reviews 212/1-2 2019-05-28
2018 Philipp Weber, Pablo Benítez-Llambay, Oliver Gressel, Leonardo Krapp, Martin E. Pessah
Characterizing the Variable Dust Permeability of Planet-induced Gaps
published pages: 153, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aaab63
The Astrophysical Journal 854/2 2019-05-28
2016 Christian Brinch, Jes K. Jørgensen, Michiel R. Hogerheijde, Richard P. Nelson, Oliver Gressel
published pages: L16, ISSN: 2041-8213, DOI: 10.3847/2041-8205/830/1/L16
The Astrophysical Journal 830/1 2019-05-28
2016 P. Bjerkeli, J. K. Jørgensen, C. Brinch
A young bipolar outflow from IRAS 15398-3359
published pages: A145, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201527310
Astronomy & Astrophysics 587 2019-05-28
2018 Krapp, Leonardo; Gressel, Oliver; Benítez-Llambay, Pablo; Downes, Turlough P.; Mohandas, Gopakumar; Pessah, Martin E.
Dust segregation in Hall-dominated turbulent protoplanetary disks
published pages: 105, ISSN: 1538-4357, DOI:
The Astrophysical Journal 865 2019-03-18

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