• Corpus ID: 119512980

State Transitions in Black Hole Candidates

  title={State Transitions in Black Hole Candidates},
  author={Michael A. Nowak},
  journal={arXiv: Astrophysics},
  • M. Nowak
  • Published 29 July 2002
  • Physics
  • arXiv: Astrophysics
As described in the review by Marek Abramowicz (these proceedings), accretion theory is at something of a crossroads. Many theoretical descriptions of observations have centered on the ``hydrodynamic'' approach of the ``standard'' Shakura & Sunyaev alpha-disk; however, recent MHD simulations of (non-radiative) accretion flow have called into question the validity of this approach. There has been a great deal of optimism that these simulations give direct insight into current observations as… 
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