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Journal Article

Waveforms for gravitational radiation from cosmic string loops

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Allen,  Bruce
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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prd63-063507.pdf
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Citation

Allen, B., & Ottewill, A. C. (2001). Waveforms for gravitational radiation from cosmic string loops. Physical Review D, 63(6): 063507. doi:10.1103/PhysRevD.63.063507.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-55B4-3
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.