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 …
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 …
Constraints on the primordial curvature power spectrum by pulsar timing array data: a polynomial parameterization approach
Q Fei - Communications in Theoretical Physics, 2024 - iopscience.iop.org
The recent stochastic signal observed jointly by NANOGrav, parkes pulsar timing array,
European pulsar timing array, and Chinese pulsar timing array can be accounted for by …
European pulsar timing array, and Chinese pulsar timing array can be accounted for by …
[HTML][HTML] Constraints on primordial curvature power spectrum with kination era: Insights from NANOGrav 15-year data set
Q Fei, F Shen - Nuclear Physics B, 2024 - Elsevier
The stochastic signal detected by the NANOGrav, PPTA, EPTA, and CPTA collaborations
can be attributed to gravitational waves induced by the primordial curvature perturbations …
can be attributed to gravitational waves induced by the primordial curvature perturbations …
Constraints on the Primordial Curvature Power Spectrum and Reheating Temperature from the NANOGrav 15-Year Dataset
Q Fei - Universe, 2024 - mdpi.com
The stochastic signal observed by collaborations such as NANOGrav, PPTA, EPTA+ InPTA,
and CPTA may originate from gravitational waves induced by primordial curvature …
and CPTA may originate from gravitational waves induced by primordial curvature …
Probing the shape of the primordial curvature power spectrum and the energy scale of reheating with pulsar timing arrays
L Fan, J Zheng, F Zhang, ZQ You - Chinese Physics B, 2024 - iopscience.iop.org
Recent observations by pulsar timing array collaborations have detected a stochastic
common-spectrum signal, which may originate from scalar-induced gravitational waves …
common-spectrum signal, which may originate from scalar-induced gravitational waves …
[PDF][PDF] Constraints on the Primordial Curvature Power Spectrum and Reheating Temperature from the NANOGrav 15-Year Dataset. Universe 2024, 10, 251
Q Fei - 2024 - inspirehep.net
The stochastic signal observed by collaborations such as NANOGrav, PPTA, EPTA+ InPTA,
and CPTA may originate from gravitational waves induced by primordial curvature …
and CPTA may originate from gravitational waves induced by primordial curvature …