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Self-Collimated Stationary Disk Winds

  • Jonathan Ferreira
  • Fabien Casse

Abstract

In this contribution, we first review the theory of self-collimated jets launched from magnetized accretion disks (disk-winds originating from the first AUs). We show why it is crucial to solve in a self-consistent way the interplay between the resistive accretion disk and the ideal MHD jets. Indeed, this is the only way to get exact values for the disk ejection efficiency ξ (the jet mass load issue). Then, we show self-similar calculations of such accretion-ejection structures: first cold jets, then warm jets obtained in the presence of a hot disk chromosphere. Finally, we present for the first time an accretion-ejection flow crossing all three critical points.

Keywords

accretion accretion disks ISM: jets and outflows MHD stars: pre-main-sequence 

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Copyright information

© Springer Science+Business Media Dordrecht 2004

Authors and Affiliations

  • Jonathan Ferreira
    • 1
  • Fabien Casse
    • 2
  1. 1.Laboratoire d’Astrophysique de GrenobleGrenoble CedexFrance
  2. 2.FOM-Institute for Plasma Physics “Rijnhuizen”NieuwegeinThe Netherlands

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