Efficiency of the UV-filtered Multiboson algorithm
Abstract
We study the efficiency of an improved Multiboson algorithm with two flavours of Wilson fermions in a realistic physical situation (β = 5.60, = 0.156 on a 163 × 24 lattice). The performance of this exact algorithm is compared with that of a state-of-the-art HMC algorithm: a considerable improvement is obtained for the plaquette auto-correlation time, while the two algorithms appear similarly efficient at decorrelating the topological charge.
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