Gravitational Radiation by Cosmic Strings in a Junction
arXiv:0810.4521 · doi:10.1088/1475-7516/2009/01/008
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.
minor changes added, the published version in JCAP
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