107 citations · 238 across the 5 of their papers we have counts for
5 papers
Apparent Superluminality of Lensed Gravitational Waves
Jose María Ezquiaga, Wayne Hu, Macarena Lagos
We consider gravitational wave (GW) sources with an associated electromagnetic (EM) counterpart, and analyze the time delay between both signals in the presence of lensing. If GWs…
Gravitational wave propagation beyond geometric optics
Giulia Cusin, Macarena Lagos
It is standard practice to study the lensing of gravitational waves (GW) using the geometric optics regime. However, in many astrophysical configurations this regime breaks down as…
Standard Sirens as a novel probe of dark energy
William J. Wolf, Macarena Lagos
Cosmological models with a dynamical dark energy field typically lead to a modified propagation of gravitational waves via an effectively time-varying gravitational coupling …
Standard sirens with a running Planck mass
Macarena Lagos, Maya Fishbach, Philippe Landry +1
We consider the effect of a time-varying Planck mass on the propagation of gravitational waves (GWs). A running Planck mass arises naturally in several modified gravity theories, a…
A general theory of linear cosmological perturbations: bimetric theories
Macarena Lagos, Pedro G. Ferreira
We implement the method developed in [1] to construct the most general parametrised action for linear cosmological perturbations of bimetric theories of gravity. Specifically, we c…