CHINESE JOURNAL OF PHYSICS VOL 38, No.3-II JUNE 2000

Techniques for Using The Overlap-Dirac Operator to Calculate Hadron Spectroscopy.

UKQCD Collaboration: Craig McNeile.

Department of Mathematical Sciences, University of Liverpool, L69 3BX, UK

( Received Dec. 18, 1999)

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 $8^3 \; 32$.

PACS. 11.15.Ha - Lattice gauge theory.
PACS. 12.38.Gc - Lattice QCD calculations.

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