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Macarena Lagos

Researcher at University of Chicago

Publications -  43
Citations -  1878

Macarena Lagos is an academic researcher from University of Chicago. The author has contributed to research in topics: Gravitational wave & Scalar (mathematics). The author has an hindex of 15, co-authored 34 publications receiving 1369 citations. Previous affiliations of Macarena Lagos include Imperial College London & University of Oxford.

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Strong Constraints on Cosmological Gravity from GW170817 and GRB 170817A.

TL;DR: It is shown that the detection of an electromagnetic counterpart to the gravitational-wave signal from the merger of two neutron stars allows for stringent constraints on general scalar-tensor and vector-Tensor theories, while allowing for an independent bound on the graviton mass in bimetric theories of gravity.
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Cosmological perturbations in massive bigravity

TL;DR: In this paper, the authors present a comprehensive analysis of scalar, vector and tensor cosmological perturbations in ghost-free massive bigravity and find the full evolution equations and analytical solutions in a wide range of regimes.
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Standard sirens with a running Planck mass

TL;DR: In this paper, the effect of a time-varying Planck mass on the propagation of gravitational waves (GWs) was considered and the authors showed that GW170817 constrains the GW propagation to within 1% accuracy.
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New horizons for fundamental physics with LISA

K. G. Arun, +140 more
TL;DR: In this article , the Fundamental Physics Working Group of the LISA Consortium summarizes the current topics in fundamental physics where LISA observations of gravitational waves can be expected to provide key input.
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A general theory of linear cosmological perturbations: scalar-tensor and vector-tensor theories

TL;DR: In this paper, a method for parametrizing linear cosmological perturbations of theories of gravity, around homogeneous and isotropic backgrounds, is presented, which can be applied to theories with any degrees of freedom (DoF) and arbitrary gauge symmetries.