Waveforms for gravitational radiation from cosmic string loops

Bruce Allen and Adrian C. Ottewill
Phys. Rev. D 63, 063507 – Published 20 February 2001
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Abstract

We obtain general formulas for the plus- and cross-polarized waveforms of gravitational radiation emitted by a cosmic string loop in a transverse, traceless (synchronous, harmonic) gauge. These equations are then specialized to the case of piecewise linear loops, and it is shown that the general waveform for such a loop is a piecewise linear function. We give several simple examples of the waveforms from such loops. We also discuss the relation between the gravitational radiation by a smooth loop and by a piecewise linear approximation to it.

  • Received 20 October 2000

DOI:https://doi.org/10.1103/PhysRevD.63.063507

©2001 American Physical Society

Authors & Affiliations

Bruce Allen*

  • Department of Physics, University of Wisconsin–Milwaukee, P.O. Box 413, Milwaukee, Wisconsin 53201

Adrian C. Ottewill

  • Department of Mathematical Physics, University College Dublin, Belfield, Dublin 4, Ireland

  • *Email address: ballen@dirac.phys.uwm.edu
  • Email address: ottewill@relativity.ucd.ie

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Vol. 63, Iss. 6 — 15 March 2001

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