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Paper   IPM / Astronomy / 9547
School of Astronomy
  Title:   Gravitational Radiation by Cosmic Strings in a Junction
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 IPM
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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