Cosmic superstrings, metastable strings and ultralight primordial black holes: from NANOGrav to LIGO and beyond
Sign Up to like & getrecommendations! Published in 2024 at "Journal of High Energy Physics"
DOI: 10.1007/jhep02(2025)095
Abstract: While topologically stable cosmic strings are disfavoured by the recent observation of nHz stochastic gravitational waves (GW) by Pulsar Timing Arrays (PTA), e.g., NANOGrav, cosmic metastable strings and superstrings are not. However, because the gravitational… read more here.
Keywords: primordial black; gravitational waves; metastable strings; pta data ... See more keywords
Regularizing the pulsar timing array likelihood: A path toward Fourier space
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review D"
DOI: 10.1103/s3gy-km61
Abstract: The recent announcement of evidence for a stochastic background of gravitational waves (GWB) in pulsar timing array (PTA) data has piqued interest across the scientific community. A combined analysis of all currently available data holds… read more here.
Keywords: analysis; pulsar timing; timing array; pta data ... See more keywords