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Cosmological Landscape and gravitational waves

12 diciembre, 2018 / 11:00 am - 12:00 pm

Dr. Macarena Lagos
Kavli Institute for Cosmological Physics
University of Chicago
We have great certainty on how gravity works around our Solar System. However, at large scales, even though the ΛCDM model is in good agreement with cosmological data, we still have a considerable lack of understanding about the evolution of the universe, and its constituents. For this reason, in this talk, I will focus on testing the ΛCDM model. In particular, I will present a method to systematically construct alternative cosmological models, which allow us to characterize a variety of theories in terms of a few free parameters, and describe in a unified manner the landscape of cosmological models usually considered in literature. Finally, I will discuss how modified gravity does not only affect the evolution of how matter evolves in the universe, but also how gravitational waves propagate. I will show some forecasts in constraining these latter effects with LIGO.

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12 diciembre, 2018
11:00 am - 12:00 pm


Sala Seminarios 3er piso, DFI
Av Blanco Encalada 2008
Santiago, Chile
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