Gravitational wave bursts from cosmic strings

Details Gravitational wave bursts from cosmic strings Gravitational wave bursts from cosmic strings

2000-04-26

arxiv.org/abs/gr-qc/0004075v1

Phys.Rev.Lett.85:3761-3764,2000

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, revtex, 2 figures, submitted to Phys. Rev. Letters

Scientific paper

10.1103/PhysRevLett.85.3761

Cusps of cosmic strings emit strong beams of high-frequency gravitational waves (GW). As a consequence of these beams, the stochastic ensemble of gravitational waves generated by a cosmological network of oscillating loops is strongly non Gaussian, and includes occasional sharp bursts that stand above the rms GW background. These bursts might be detectable by the planned GW detectors LIGO/VIRGO and LISA for string tensions as small as $G \mu \sim 10^{-13}$. The GW bursts discussed here might be accompanied by Gamma Ray Bursts.

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