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Article overview
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Gravitational Wave Bursts as Harbingers of Cosmic Strings Diluted by Inflation | | Yanou Cui
; Marek Lewicki
; David E. Morrissey
; | | Date: |
18 Dec 2019 | | 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. | | Source: | arXiv, 1912.8832 | | Services: | Forum | Review | PDF | Favorites | |
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