Viscosity mechanisms in accretion disks

  title={Viscosity mechanisms in accretion disks},
  volume={288 5473},
  • Menou
  • Published 2000
  • Physics, Medicine
  • Science
  • The self-sustained turbulence that develops in magnetized accretion disks is suppressed in the weakly ionized, quiescent disks of close binary stars. Because accretion still proceeds during quiescence, another viscosity mechanism operates in these systems. An anticorrelation of the recurrence times of SU UMa dwarf novae with their mass ratio supports spiral waves or shockwaves tidally induced by the companion star as the main process responsible for accretion in the quiescent disks. Other… CONTINUE READING
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