We study the efficiency of an improved multiboson algorithm with two flavors of Wilson fermions in a realistic physical situation (beta = 5.60,k = 0.156 on a 16^3 x 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.
Efficiency of the UV-filtered multiboson algorithm
D'ELIA, MASSIMO;
2000-01-01
Abstract
We study the efficiency of an improved multiboson algorithm with two flavors of Wilson fermions in a realistic physical situation (beta = 5.60,k = 0.156 on a 16^3 x 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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