Dynamical fermions in lattice gauge theories: Metropolis and Langevin techniques in two dimensions |
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Authors: | Tony Burkitt |
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Institution: | Physics Department, University of Edinburgh, Mayfield Road, Edinburgh EH9 3JZ, Scotland, UK |
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Abstract: | A variety of techniques for the inclusion of dynamical fermions in lattice gauge theory is examined. Three pseudo-fermionic techniques that have the characteristics desirable for an unquenched simulation of four-dimensional QCD are studied in detail. Langevin and Metropolis pseudo-fermionic techniques are implemented for a 64×64 lattice on the Distributed Array Processor and their relative merits examined both for free fermions and the lattice Schwinger model. |
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