2 papers
hep-lat2022
Renormalization of the scalar energy-momentum tensor using the Wilson flow
Joseph K. L. Lee, Luigi Del Debbio, Elizabeth Dobson +6
In the holographic approach to cosmology, cosmological observables are described in terms of correlators of a three-dimensional boundary quantum field theory. As a concrete model,…
hep-lat2022
A numerical and theoretical study of multilevel performance for two-point correlator calculations
Ben Kitching-Morley, Andreas Jüttner
An investigation of the performance of the multilevel algorithm in the approach to criticality has been undertaken using the Ising model, performing simulations across a range of t…