Volume 453 - The 40th International Symposium on Lattice Field Theory (LATTICE2023) - Algorithms and Artificial Intelligence
Riemannian manifold HMC with fermions
C. Jung* and N.H. Christ
*: corresponding author
Full text: pdf
Pre-published on: May 03, 2024
Published on: November 06, 2024
Abstract
We report on our study of the Riemannian Manifold HMC (RMHMC) algorithm with the mass
term for the gauge momenta replaced by rational functions of the gauge covariant Laplace operator.
A comparison of HMC and RMHMC on a 2+1+1 flavor dynamical ensemble with lattice spacing
𝑎 ∼0.05fm shows increased rate of change in long distance modes, identified by Wilson flowed
energy, per fermion molecular dynamics step.
DOI: https://doi.org/10.22323/1.453.0009
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