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Abstract: Aspects of turbulence in protostellar accretion discs are being reviewed. Theemergence of dead zones due to poor ionization and alternatives to themagneto-rotational instability are discussed. The coupling between dust and gasin protostellar accretion discs is explained and turbulent drag is comparedwith laminar drag in the Stokes and Epstein regimes. Finally, the significanceof magnetic field generation in turbulent discs is emphasized in connectionwith driving outflows and with star-disc coupling.



Author: Axel Brandenburg

Source: https://arxiv.org/







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