Gravitational Radiation by Cosmic Strings in a Junction

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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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High Energy Physics - Theory, Astrophysics, General Relativity and Quantum Cosmology

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http://salesiana.dossiersoluciones.com/handle/123456789/219424

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0810.4521
 http://arxiv.org/abs/0810.4521
 JCAP 0901:008,2009
 doi:10.1088/1475-7516/2009/01/008

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arXiv