Dynamical overlap fermions, results with hybrid Monte-Carlo algorithm
We present first, exploratory results of a hybrid Monte-Carlo algorithm for dynamical, nf = 2, four-dimensional QCD with overlap fermions. As expected, the computational requirements are typically…
Testing a Fourier-accelerated hybrid Monte Carlo algorithm
- Physics, Computer Science
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Two algorithms for the numerical simulation of SU(3) lattice gauge theory with dynamical quarks are discussed, based on the hybrid stochastic method of Duane and Kogut, which allow the simulation of arbitrary numbers of quarks.
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A new algorithm for the numerical simulation of lattice field theories with fermions degrees of freedom with an efficient method of measuring the fermion Green's functions during the simulation is presented.
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- PhysicsPhysical review letters
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- Computer Science
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- Physics, Computer SciencePhysical review. D, Particles and fields
Fourier techniques that greatly accelerate simulations on large lattices and a new technique for including quark vacuum-polarization corrections that admits any number of flavors, odd or even, without the need for nested Monte Carlo calculations are introduced.