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Paper   IPM / Astronomy / 14114
School of Astronomy
  Title:   Local stability of self-gravitating disks in f (R) gravity
1.  M. Roshan
2.  Sh. Abbassi
  Status:   Published
  Journal: arXiv
  Year:  2015
  Supported by:            ipm IPM
In the framework of metric f (R) gravity, we find the dispersion relation for the propagation of tightly wound spiral density waves in the surface of rotating, selfgravitating disks. Also, new Toomre-like stability criteria for differentially rotating disks has been derived for both fluid and stellar disks.

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