General Relativity (GR) perfectly describes a variety of phenomena in gravity at energy scales much less than the Planck mass. However, this theory calls for an ultraviolet (UV) completion at higher energies.
Various approaches have been developed in this direction in the past decades, including (but not limited to) string theory, which naturally contains the limit of GR. The low-energy effective field theory (EFT) of GR can also have a UV completion which is formulated as a field theory, perturbatively including higher curvature operators or non- perturbatively with an asymptotically safe fixed point. Formulation of new methods, especially working for gravity in the non-perturbative regime, requires more exchanges between the scientific communities that used to be separated. We believe that cross-team discussions will lead to significant progress in understanding the self-consistency and potential phenomenological implications of UV complete descriptions of gravity.
The goal of the workshop is to bring together the experts working on different UV complete approaches to quantum gravity, from string theory to various perturbative and non-perturbative approaches. Given the promising opportunity to probe quantum gravity effects in the very early Universe with future CMB and gravitational wave experiments, we expect the in-depth discussions on predictions and self-consistency of low- energy effective theories on top of cosmological backgrounds.
The meeting will be mainly focused on the following directions:
- Non-perturbative methods, in application to quantum gravity, such as string theory, amplitudes bootstrap, functional renormalisation group, loop quantum gravity, etc.
- Quantum gravity effects in the early Universe: inflation, cosmological correlators, non-gaussianities, gravitational waves.
- EFT of gravity in connection with cosmology and Black Holes.
other related topics.
Preliminary list of speakers
Manuel Asorey (Zaragoza U.)
Robert Brandenberger (McGill U.)
Mariana Carrillo González (Imperial Coll., London)
Calvin Y.-R. Chen (Imperial Coll., London and Taiwan, Natl. Taiwan U.)
Gia Dvali (Max Planck Inst. and Munich U., ASC)
Kelian Haring (Amsterdam U.)
Claus Kiefer (Cologne U.)
Shun-Pei Miao (Taiwan, Natl. Cheng Kung U.)
Viatcheslav F. Mukhanov (Munich U. and Korea Inst. Advanced Study, Seoul)
Roberto Percacci (SISSA, Trieste)
Alessandro Podo (IHES, Bures-sur-Yvette)
Sébastien Renaux-Petel (Paris, Inst. Astrophys.)
Soo-Jong Rey (Seoul Natl. U.)
Francesco Riva (Geneva U.)
Diederik Roest (Groningen U.)
Alberto Salvio (Rome U., Tor Vergata)
Richard Woodard (Florida U.)
Zhong-Zhi Xianyu (Tsinghua U., Beijing)
Masahide Yamaguchi (Tokyo Inst. Tech.)
Organizing Committee
- Fiorenzo Bastianelli (UniBO)
- Luca Buoninfante (Radboud U.)
- Roberto Casadio (UniBO)
- Andrea Giusti (UniBO)
- Alexander Kamenschchik (UniBO)
- Alexey Koshelev (ShanghaiTech U. and Beira Interior U.)
- Anna Tokareva (HIAS, UCAS, Hangzhou)
- Alessandro Tronconi (INFN)
This meeting is a regular yearly conference organized since 2021. It used to be jointly co-organized in different years by Imperial College London, NORDITA, Tokyo Institute of Technology, University of Portsmouth, ShanghaiTech University, Universidade da Beira Interior, and other institutions.
"Due to strict limitations in venue capacity and funding availability, the number of conference participants is limited. The organizers reserve the right to confirm registration requests.”
