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Paper   IPM / Astronomy / 12911
School of Astronomy
  Title:   THE SPHERICAL SYMMETRY BLACK HOLE COLLAPSE IN EXPANDING UNIVERSE
  Author(s):  J. Taghizadeh Firouzjaee
  Status:   Published
  Journal: Modern Physics D
  Vol.:  21
  Year:  2012
  Supported by:  IPM
  Abstract:
The spherical symmetry black holes are considered in expanding background. The singularity line and the marginally trapped tube surface behavior are discussed. In particular, we address the conditions whether dynamical horizon forms for these cosmological black holes. We also discuss about the cosmological constant effect on these black hole and the redshift of the light which comes from the marginally trapped tube surface.

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