TOPOLOGICAL ZERO MODES IN MONTE CARLO SIMULATIONS

H. Dilger ()
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H. Dilger: Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22603 Hamburg, FR, Germany

International Journal of Modern Physics C (IJMPC), 1995, vol. 06, issue 01, 123-134

Abstract: We present an improvement of global Metropolis updating steps, the instanton hits, used in a hybrid Monte Carlo simulation of the two-flavor Schwinger model with staggered fermions. These hits are designed to change the topological sector of the gauge field. In order to match these hits to an unquenched simulation with pseudofermions, the approximate zero mode structure of the lattice Dirac operator has to be considered explicitly.

Keywords: Lattice Gauge Theory; Hybrid Monte Carlo; Schwinger Model; Topological Sectors; Zero Modes (search for similar items in EconPapers)
Date: 1995
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DOI: 10.1142/S0129183195000101

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