• Open Access

Gravitational Wave Bursts as Harbingers of Cosmic Strings Diluted by Inflation

Yanou Cui, Marek Lewicki, and David E. Morrissey
Phys. Rev. Lett. 125, 211302 – Published 20 November 2020
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Abstract

A standard expectation of primordial cosmological inflation is that it dilutes all relics created before its onset to unobservable levels. We present a counterexample to this expectation by demonstrating that a network of cosmic strings diluted by inflation can regrow to a level that is potentially observable today in gravitational waves (GWs). In contrast to undiluted cosmic strings, whose primary GW signals are typically in the form of a stochastic GW background, the leading signal from a diluted cosmic string network can be distinctive bursts of GWs within the sensitivity reach of current and future GW observatories.

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  • Received 30 January 2020
  • Revised 30 September 2020
  • Accepted 5 October 2020

DOI:https://doi.org/10.1103/PhysRevLett.125.211302

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Gravitation, Cosmology & AstrophysicsParticles & Fields

Authors & Affiliations

Yanou Cui1,*, Marek Lewicki2,3,†, and David E. Morrissey4,‡

  • 1Department of Physics and Astronomy, University of California, Riverside, California 92521, USA
  • 2Kings College London, Strand, London WC2R 2LS, United Kingdom
  • 3Faculty of Physics, University of Warsaw ul. Pasteura 5, 02-093 Warsaw, Poland
  • 4TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, Canada V6T 2A3

  • *yanou.cui@ucr.edu
  • marek.lewicki@kcl.ac.uk
  • dmorri@triumf.ca

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Issue

Vol. 125, Iss. 21 — 20 November 2020

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