Implications for the non-Gaussianity of curvature perturbation from pulsar timing arrays
The recently released data by pulsar timing array (PTA) collaborations present strong
evidence for a stochastic signal consistent with a gravitational-wave background. Assuming …
evidence for a stochastic signal consistent with a gravitational-wave background. Assuming …
Confronting sound speed resonance with pulsar timing arrays
The stochastic signal detected by pulsar timing arrays (PTAs) has raised great interest in
understanding its physical origin. Assuming the signal is a cosmological gravitational-wave …
understanding its physical origin. Assuming the signal is a cosmological gravitational-wave …
Probing the equation of state of the early Universe with pulsar timing arrays
The recently released data by pulsar timing array (PTA) collaborations have amassed
substantial evidence corroborating the existence of a stochastic signal consistent with a …
substantial evidence corroborating the existence of a stochastic signal consistent with a …
Constraints on primordial curvature power spectrum with pulsar timing arrays
ZQ You, Z Yi, Y Wu - Journal of Cosmology and Astroparticle …, 2023 - iopscience.iop.org
The stochastic signal detected by NANOGrav, PPTA, EPTA, and CPTA can be explained by
the scalar-induced gravitational waves. In order to determine the scalar-induced …
the scalar-induced gravitational waves. In order to determine the scalar-induced …
Model-independent reconstruction of the primordial curvature power spectrum from PTA data
Z Yi, ZQ You, Y Wu - Journal of Cosmology and Astroparticle …, 2024 - iopscience.iop.org
Recently released data from pulsar timing array (PTA) collaborations provide strong
evidence for a stochastic signal consistent with a gravitational-wave background, potentially …
evidence for a stochastic signal consistent with a gravitational-wave background, potentially …
Constraining the merger history of primordial-black-hole binaries from GWTC-3
Primordial black holes (PBHs) can be not only cold dark matter candidates but also
progenitors of binary black holes observed by LIGO-Virgo-KAGRA (LVK) Collaboration. The …
progenitors of binary black holes observed by LIGO-Virgo-KAGRA (LVK) Collaboration. The …
Simultaneously probing the sound speed and equation of state of the early Universe with pulsar timing arrays
Recently, several major pulsar timing array (PTA) collaborations have assembled strong
evidence for the existence of a gravitational-wave background at frequencies around the …
evidence for the existence of a gravitational-wave background at frequencies around the …
Search for nontensorial gravitational-wave backgrounds in the NANOGrav 15-year dataset
ZC Chen, YM Wu, YC Bi, QG Huang - Physical Review D, 2024 - APS
The recent detection of a stochastic signal in the NANOGrav 15-year dataset has aroused
great interest in uncovering its origin. However, the evidence for the Hellings-Downs …
great interest in uncovering its origin. However, the evidence for the Hellings-Downs …
Prospects for Taiji to detect a gravitational-wave background from cosmic strings
Recently, multiple pulsar timing array collaborations have presented compelling evidence
for a stochastic signal at nanohertz frequencies, potentially originating from cosmic strings …
for a stochastic signal at nanohertz frequencies, potentially originating from cosmic strings …
Primordial black holes in the curvaton model: possible connections to pulsar timing arrays and dark matter
G Ferrante, G Franciolini, AJ Iovino… - Journal of Cosmology …, 2023 - iopscience.iop.org
We revise primordial black holes (PBHs) production in the axion-curvaton model, in light of
recent developments in the computation of their abundance accounting for non …
recent developments in the computation of their abundance accounting for non …