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- W4382766650 abstract "Very recently, the Pulsar Timing Array (PTA) experiments reported strong evidence for the presence of the nanohertz stochastic gravitational wave background (SGWB). In this work we show that the cosmic string loops can account for the nanohertz SGWB data with a $Gmu sim 2times 10^{-12}$ and the loops number density $N sim 10^{4}$. Though the presence of cosmic string loops can also effectively enhance the number density of massive galaxies at high redshifts, we do not find a reasonable parameter space to self-consistently interpret both the SGWB data and the JWST observations. This implies either an extension of the model adopted in this work or the different physical origins of these two phenomena." @default.
- W4382766650 created "2023-07-01" @default.
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- W4382766650 date "2023-06-29" @default.
- W4382766650 modified "2023-10-14" @default.
- W4382766650 title "The nanohertz stochastic gravitational-wave background from cosmic string Loops and the abundant high redshift massive galaxies" @default.
- W4382766650 doi "https://doi.org/10.48550/arxiv.2306.17150" @default.
- W4382766650 hasPublicationYear "2023" @default.
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