24th Itzykson meeting: Effective Field Theory in Cosmology, Gravitation and Particle Physics, 5-7 juin 2019, IPhT  
Organizing commitee: Brando Bellazzini, John Joseph Carrasco and Filippo Vernizzi


Effective field theory is one of the deepest and most useful guiding principles in physics. Its tools and methods allow one to study the universal aspects of entire classes of unknown microscopic models, with their main features being captured by symmetries and few relevant parameters of the effective degrees of freedom. Because of its universality, it finds  applications across all scale in physics: from super-Hubble scales all the way to the Planck length. It is successfully applied to cosmology to describe the early cosmic inflation, the current cosmic acceleration, the dynamics of the large scale structure and the dark matter. Its methods have found recent applications in the theory of gravitational wave emission by binary inspirals, and in the new multimessanger astrophysics: new and conceptually compelling ways to perform calculations and predictions are being developed by making contact with the methods of scattering amplitudes of particle physicists. 
One of the goals of the conference is to bring together experts working with Effective Field Theories in all these fields, in order to exchange ideas and foster new insights and techniques.


F. David, dépêche du 21/02/2019


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