Radiation magnetohydrodynamic simulations of protostellar core formation

研究成果: Conference contribution

抜粋

We perform 3D nested-grid radiation magnetohydrodynamic (RMHD) simulations of the formation of proto-stellar cores from molecular cloud cores with and without the Ohmic dissipation of magnetic fields. In the ideal RMHD models, the evolution of the protostellar core is very similar to that in the spherically symmetric non-rotating model due to the efficient angular momentum transport. However, if the resistivity presents, the angular momentum transport is considerably suppressed due to the loss of magnetic flux, and rotationally-supported circumstellar disks are rapidly built up in the vicinity of the protostellar cores. Magnetic fields are amplified by rotation and fast outflows are launched from the protostellar cores via magnetic pressure gradient force. To our knowledge, these are the first 3D RMHD simulations resolving the protostellar cores in the world.

元の言語English
ホスト出版物のタイトルThe Labyrinth of Star Formation - Conference Dedicated to Prof. Anthony Whitworth
編集者Simon Goodwin, Dimitris Stamatellos, Derek Ward-Thompson
出版者Kluwer Academic Publishers
ページ35-39
ページ数5
ISBN(印刷物)9783319030401
DOI
出版物ステータスPublished - 2014 1 1
外部発表Yes
イベントConference on Labyrinth of Star Formation dedicated to Prof. Anthony Whitworth, 2012 - Crete, Greece
継続期間: 2012 6 1 → …

出版物シリーズ

名前Astrophysics and Space Science Proceedings
36
ISSN(印刷物)1570-6591
ISSN(電子版)1570-6605

Conference

ConferenceConference on Labyrinth of Star Formation dedicated to Prof. Anthony Whitworth, 2012
Greece
Crete
期間12/6/1 → …

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Computer Science Applications
  • Spectroscopy
  • Space and Planetary Science
  • Nuclear and High Energy Physics

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  • これを引用

    Tomida, K. (2014). Radiation magnetohydrodynamic simulations of protostellar core formation. : S. Goodwin, D. Stamatellos, & D. Ward-Thompson (版), The Labyrinth of Star Formation - Conference Dedicated to Prof. Anthony Whitworth (pp. 35-39). (Astrophysics and Space Science Proceedings; 巻数 36). Kluwer Academic Publishers. https://doi.org/10.1007/978-3-319-03041-8_6