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IPM
30
YEARS OLD

“School of Astronomy”

Paper   IPM / Astronomy / 9547
   School of Astronomy
  Title: Gravitational Radiation by Cosmic Strings in a Junction
  Author(s):
1 . R. Brandenberger
2 . H. Firouzjahi
3 . J . Karouby
4 . S. Khosravi
  Status: Published
  Journal: JCAP
  Vol.: 01
  Year: 2009
  Pages: 008
  Supported by: IPM
  Abstract:
The formalism for computing the gravitational power radiation from excitations on cosmic strings forming a junction is presented and applied to the simple case of co-planar strings at a junction when the excitations are generated along one string leg. The effects of polarization of the excitations and of the back-reaction of the gravitational radiation on the small scale structure of the strings are studied.

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