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Dynamical Fermions in Lattice Gauge Theories: Metropolis and Langevin Techniques in Two-dimensions

Mar, 1983
14 pages
Published in:
  • Nucl.Phys.B 220 (1983) 401-414
  • Published: 1983
DOI:
Report number:
  • EDINBURGH-83-240
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Abstract: (Elsevier)
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.
  • FERMION: LATTICE FIELD THEORY
  • FIELD THEORETICAL MODEL: SCHWINGER
  • numerical methods: Monte Carlo
  • LATTICE FIELD THEORY: LANGEVIN EQUATION
  • PROPAGATOR: TWO-POINT FUNCTION
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