89 citations · 286 across the 17 of their papers we have counts for
Showing 2021Show all
2 papers · 1 filter
gr-qc2021
NANOGrav Signal from double-inflection-point inflation and dark matter
Tie-Jun Gao
The NANOGrav collaboration has published a suspected stochastic GW background signal in its analysis of 12.5 years PTA data, so in this work, we investigate the possibility to expl…
astro-ph.CO2021★ 23 cited
Double peaks of gravitational wave spectrum induced from inflection point inflation
Tie-Jun Gao, Xiu-Yi Yang
We investigate the possibility to induce double peaks of gravitational wave(GW) spectrum from primordial scalar perturbations in inflationary models with three inflection points.Wh…