Testing algorithms for critical slowing down
High Energy Physics - Lattice
2018-04-18 v1
Abstract
We present the preliminary tests on two modifications of the Hybrid Monte Carlo (HMC) algorithm. Both algorithms are designed to travel much farther in the Hamiltonian phase space for each trajectory and reduce the autocorrelations among physical observables thus tackling the critical slowing down towards the continuum limit. We present a comparison of costs of the new algorithms with the standard HMC evolution for pure gauge fields, studying the autocorrelation times for various quantities including the topological charge.
Cite
@article{arxiv.1710.07036,
title = {Testing algorithms for critical slowing down},
author = {Guido Cossu and Peter Boyle and Norman Christ and Chulwoo Jung and Andreas Jüttner and Francesco Sanfilippo},
journal= {arXiv preprint arXiv:1710.07036},
year = {2018}
}
Comments
8 pages, 2 figures, Lattice 2017 conference proceedings