4 citations · 5 across the 3 of their papers we have counts for
3 papers
gr-qc2025
Gravitational wave cosmology
Ligong Bian, Rong-Gen Cai, Yu-Qi Dong +18
Gravitational waves (GWs) originating from cosmological sources offer direct insights into the physics of the primordial Universe, the fundamental nature of gravity, and the cosmic…
astro-ph.CO2025★ 4 cited
On the Gauge Invariance of Secondary Gravitational Waves
Chen Yuan, Yizhou Lu, Zu-Cheng Chen +1
Second-order tensor perturbations induced by primordial fluctuations play a crucial role in probing small-scale physics, but gauge dependence of their energy density has remained a…
gr-qc2024★ 1 cited
Gauge Dependence of Gravitational Waves Induced by Primordial Isocurvature Fluctuations
Chen Yuan, Zu-Cheng Chen, Lang Liu
Primordial isocurvature perturbations, which can arise from various sources in the early Universe, have the potential to leave observable imprints on the gravitational-wave backgro…