Scalar induced gravitational waves review
G Domènech - Universe, 2021 - mdpi.com
We provide a review on the state-of-the-art of gravitational waves induced by primordial
fluctuations, so-called induced gravitational waves. We present the intuitive physics behind …
fluctuations, so-called induced gravitational waves. We present the intuitive physics behind …
[HTML][HTML] Inflationary interpretation of the stochastic gravitational wave background signal detected by pulsar timing array experiments
S Vagnozzi - Journal of High Energy Astrophysics, 2023 - Elsevier
Various pulsar timing array (PTA) experiments (NANOGrav, EPTA, PPTA, CPTA, including
data from InPTA) very recently reported evidence for excess red common-spectrum signals …
data from InPTA) very recently reported evidence for excess red common-spectrum signals …
First-order phase transition interpretation of pulsar timing array signal is consistent with solar-mass black holes
Y Gouttenoire - Physical Review Letters, 2023 - APS
We perform a Bayesian analysis of NANOGrav 15-yr and IPTA DR2 pulsar timing residuals
and show that the recently detected stochastic gravitational-wave background is compatible …
and show that the recently detected stochastic gravitational-wave background is compatible …
Has NANOGrav found first evidence for cosmic strings?
S Blasi, V Brdar, K Schmitz - Physical Review Letters, 2021 - APS
The North American Nanohertz Observatory for Gravitational Waves has recently reported
strong evidence for a stochastic common-spectrum process affecting the pulsar timing …
strong evidence for a stochastic common-spectrum process affecting the pulsar timing …
Collider test of nano-Hertz gravitational waves from pulsar timing arrays
SP Li, KP **e - Physical Review D, 2023 - APS
A cosmic first-order phase transition occurring at the MeV scale provides an attractive
explanation for the nano-Hertz gravitational wave (GW) background, which is indicated by …
explanation for the nano-Hertz gravitational wave (GW) background, which is indicated by …
[HTML][HTML] NANOGrav signal from a dark conformal phase transition
We explore the possibility that a confining first-order phase transition of a nearly-conformal
dark sector generates the reported NANOGrav signal of a stochastic gravitational wave …
dark sector generates the reported NANOGrav signal of a stochastic gravitational wave …
Primordial gravitational waves from NANOGrav: A broken power-law approach
We revisit the possibility that the stochastic common-spectrum process recently detected by
the NANOGrav pulsar timing array experiment could be due to primordial gravitational …
the NANOGrav pulsar timing array experiment could be due to primordial gravitational …
Can supercooled phase transitions explain the gravitational wave background observed by pulsar timing arrays?
Several pulsar timing array collaborations recently reported evidence of a stochastic
gravitational wave background (SGWB) at nHz frequencies. While the SGWB could originate …
gravitational wave background (SGWB) at nHz frequencies. While the SGWB could originate …
[HTML][HTML] Solar-mass primordial black holes explain NANOGrav hint of gravitational waves
K Kohri, T Terada - Physics Letters B, 2021 - Elsevier
The NANOGrav collaboration for the pulsar timing array (PTA) observation recently
announced evidence of an isotropic stochastic process, which may be the first detection of …
announced evidence of an isotropic stochastic process, which may be the first detection of …
Have pulsar timing array methods detected a cosmological phase transition?
We show that the recent detection of a gravitational wave (GW) background reported by
various pulsar timing array (PTA) collaborations including NANOGrav-15 yr, PPTA …
various pulsar timing array (PTA) collaborations including NANOGrav-15 yr, PPTA …