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  1. School of science, Shandong University of Technology, Zibo 255049, Shandong, China
  • Received:2008-08-17 Revised:1900-01-01 Online:2009-01-24 Published:2010-04-15

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Abstract: On the basis of the new model of anomalous viscosity, a dispersion equation was derived from the perturbation method, and the effect of dissipation on magnetic instability of accretion disks was analyzed. It was shown that the dissipative rate becomes smaller as the radius becomes larger and the dissipation can not be neglected as the magnetic field is smaller, which is different from the result derived from the microscopic viscosity and resistivity.

Key words: magnetic instability, viscosity, resistivity, dissipation

CLC Number: 

  • P142
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