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.
Volume 453 -
The 40th International Symposium on Lattice Field Theory (LATTICE2023) -
Algorithms and Artificial Intelligence
Riemannian manifold HMC with fermions
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Pre-published on:
May 03, 2024
Published on:
November 06, 2024
Abstract
DOI: https://doi.org/10.22323/1.453.0009
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.