Numerical approaches to holography, quantum gravity and cosmology

21.05.2018 to 24.05.2018
Luigi Del Debbio (Edinburgh), David Schaich (U. Bern), David Berenstein (UCSB), Simon Catterall (Syracuse U.), Masanori Hanada (Kyoto U.), Jun Nishimura (KEK), Toby Wiseman (Imperial College)

Higgs Centre for Theoretical Physics, JCMB, Edinburgh

Holographic AdS/CFT duality and lattice gauge theory are leading non-perturbative approaches to investigate quantum gravity and strongly coupled quantum field theories (QFTs). Extensive work is ongoing to apply both techniques to broader classes of systems, leading to a growing number of connections between them. Numerical analyses in particular are becoming increasingly important as computational capabilities continue to improve, motivating the development and dissemination of new or improved methods. Representative applications range from numerical relativity calculations of black hole dynamics and non-stationary spacetimes dual to far-from-equilibrium QFTs, to lattice studies of gauge theories with near-conformal dynamics, supersymmetry, and/or a large number of colours. Important successes of these ideas have been found in matching quantum field theory calculations in 0+1 dimensions with string theory predictions in 9+1 dimensions for black hole entropies with large D0-brane charge. Many advances have also been made recently in studying lattice gauge theories with some supersymmetry and near a conformal limit. The purpose of this workshop is to bring together the different communities of theoretical physicists who use numerical methods to investigate these types of questions. We anticipate a programme of 16 invited talks over four days, to leave abundant time for discussions and informal exchanges. By reviewing new developments within each community and fostering communication between them we aim to identify common ground, inspire new ideas and stimulate more rapid progress.

This workshop will be the fourth in a series, following events in 2009 (Imperial College London), 2012 (KITP Santa Barbara) and 2015 (YITP Kyoto), which have played an important role in promoting dialogue between theorists working on diverse applications of numerical methods to holography, quantum gravity and cosmology. 

* Evan Berkowitz (FZ Julich) -- Lower-dimensional lattice supersymmetry

* Norbert Bodendorfer (U. Regensburg) -- AdS/CFT and loop quantum gravity

* Pau Figueras (Queen Mary U.) -- Numerical relativity in higher dimensional/exotic spaces

* Valentina Forini (City, U. London) -- String worldsheet sigma model on the lattice

* Guy Gur-Ari (Stanford U.) -- Numerical analysis of quantum chaotic systems to model black holes

* Jack Laiho (Syracuse U.) -- Euclidean dynamical triangulations

* David Mateos (U. Barcelona) -- Numerical relativity for quark matter and heavy-ion collisions

* Paul Romatschke (U. Colorado) -- Holography for heavy-ion collisions and non-linear GR

* Kostas Skenderis (U. Southampton) -- Holography, especially for de Sitter

* Toby Wiseman (Imperial College) -- Gravity duals for thermal SYM

* Laurence Yaffe (U. Washington) -- Holography for hot QCD and plasmas

Numerical approaches to holography, quantum gravity and cosmology

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