Centro de Ciencias de Benasque Pedro Pascual

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Gravitational waves meet effective field theories

2023, Aug 20 -- Aug 26

E. Barausse (SISSA, Italy)
L. Bernard (Paris Meudon/CNRS)
M. Bezares (University of Nottingham)

General Relativity (GR) describes gravity on a huge range of scales, field strengths and velocities. However, despite its successes, GR has been showing its age. Cosmological data support the existence of Dark Sector, but may also be interpreted as a breakdown of our understanding of gravity. Also, GR is intrinsically incompatible with quantum field theory, and should be replaced, at high energies, by a (still unknown) quantum theory of gravity. This deadlock may prelude to a paradigm change in our understanding of gravity, possibly triggered by the direct observations of neutron stars and black holes by gravitational-wave interferometers. The recent LIGO/ Virgo observations have already made a huge impact on our theoretical understanding of gravity, by severely constraining several extensions of GR. In this workshop, we will focus on effective field theories of gravity extending/modifying GR, focusing on their predictions for the generation and propagation of gravitational waves, and on their comparison with experiments. Our goal is to establish new synergies among different communities, including numerical relativity, post-Newtonian theory, data analysis and cosmology.


- Cliff Burgess
- Antonio Padilla
- Johannes Noller
- Filippo Vernizzi
- Alessandra Silvestri
- Felix Julie
- Áron Kovács
- Luis Lehner
- Pau Figueras
- Aaron Held
- Maxence Corman
- Harald Pfeiffer
- Tessa Baker
- Andrea Maselli
- Dina Traykova
- Eugeny Babichev
- Mariana Carrillo
- Feng-Li Lin
- Marco Crisostomi

(* to be confirmed)


Funded by the European Union's H2020 ERC Consolidator Grant 'GRavity from Astrophysical to Microscopic Scales' (Grant No. GRAMS-815673). Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or the European Research Council Executive Agency. Neither the European Union nor the granting authority can be held responsible for them.

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Further Information.

The CCBPP has received financial support for the organization of scientific meetings from the following institutions:

  • Ministerio de ciencia, innovación y universidades
  • Gobierno de Aragón
  • logo CSIC
  • DPH
  • Universidad de Zaragoza
  • Ayuntamiento de Benasque


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