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4 papers · 2 filters
Modulations of Gravitational Waves due to Non-static Gravitational Lenses
Xing-Yu Yang, Tan Chen, Rong-Gen Cai
Gravitational waves (GWs) offer a new observational window into the universe, providing insights into compact objects and cosmic structures. Gravitational lensing, commonly studied…
Perturbation Theory Remixed II: Improved Modeling of Nonlinear Bispectrum
Zhenyuan Wang, Donghui Jeong, Atsushi Taruya +2
We present the application of the -th order Eulerian Perturbation Theory (EPT) for modeling the matter bispectrum in real space as an advancement over the Standard Perturbati…
Gravitational Wave Duet by Resonating Binary Black Holes within Ultralight Dark Matter
Jeong Han Kim, Xing-Yu Yang
Gravitational wave observations have significantly broadened our capacity to explore fundamental physics beyond the Standard Model, providing crucial insights into dark matter that…
Detecting the dark sector through scalar-induced gravitational waves
Xiao-Bin Sui, Jing Liu, Xing-Yu Yang +1
We investigate the evolution of cosmological scalar perturbations in the case that the background radiation is weakly coupled to a light scalar field . The light scalar is a…