Volume 466 - The 41st International Symposium on Lattice Field Theory (LATTICE2024) - Algorithms and Artificial Intelligence
Extending the Worldvolume Hybrid Monte Carlo algorithm to group manifolds
M. Fukuma* and Y. Namekawa
*: corresponding author
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Pre-published on: February 15, 2025
Published on: —
Abstract
The Worldvolume Hybrid Monte Carlo (WV-HMC) method [arXiv:2012.08468] is a reliable and versatile algorithm towards solving the sign problem. This method eliminates the ergodicity problem inherent in methods based on Lefschetz thimbles at low cost. In this talk, in preparation for its application to lattice QCD, we extend the WV-HMC method to the case where the configuration space is a group manifold. The correctness of the algorithm is confirmed for the one-site model with complex coupling or with a topological term.
DOI: https://doi.org/10.22323/1.466.0065
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