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Showing 2025 · hep-latShow all
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hep-lat2025
Fourier Accelerated HMC in the SU(N) X SU(N) Principal Chiral Model
Roger Horsley, Pablo Morande, Brian Pendleton
We report the results of Fourier-accelerated HMC simulations of 2D SU(N) X SU(N) principal chiral models for N = 2, 3, 4, 6, 9. These models share several key properties with 4D QC…
hep-lat2025★ 1 cited
improvement of the flavour singlet scalar density in a setup with Wilson fermions
Pia Leonie Jones Petrak, Jochen Heitger, Fabian Joswig
We report on our Ward identity determination of the improvement coefficient for the flavour singlet scalar density, namely , from three-flavour lattic…