Techniques for using the overlap-Dirac operator to calculate hadron spectroscopy
classification
✦ hep-lat
keywords
operatoroverlap-diraccalculatelatticesimulationsapproximationsbetaborici
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We report on our progress in using the overlap-Dirac fermion operator in simulations of lattice QCD. We have investigated the Lanczos based method of Borici, as well as various rational approximations, to calculate the step function in the overlap-Dirac operator. The QCD simulations were performed at beta = 5.85 with a lattice volume of 8**3*32.
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