The first lattice measurement of the sigma mass with exponential clover fermions in SU(2) with two fundamental flavours finds the effective mass agrees with the two-pion threshold, 2 m_PS.
GPU-accelerated Higher Representations of Wilson Fermions with HiRep
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abstract
We are improving one of the available lattice software packages HiRep by adding GPU acceleration supporting highly-optimized simulations on both NVIDIA and AMD GPUs. HiRep allows lattice simulations of theories with fermions in higher representations and a variable number of colors in the gauge group. The development is accompanied by an overall software quality improvement in the build system, testing, and documentation, adding features for both CPUs and GPUs. The software is available under https://github.com/claudiopica/HiRep
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The singlet scalar state in a chiral ensemble in $SU(2)$ with two fundamental flavours
The first lattice measurement of the sigma mass with exponential clover fermions in SU(2) with two fundamental flavours finds the effective mass agrees with the two-pion threshold, 2 m_PS.