Talk presented by Antony Duncan

Parallel Session: Algorithms and Machines I

Tuesday June 29th, 15.30 - 15.50, Room 8

Modelling the quark determinant in unquenched QCD simulations

Abstract: The computational requirements and dynamics of Monte Carlo simulations of unquenched QCD incorporating infrared quark eigenmodes (up to \Lambda_QCD) exactly and UV modes via a loop representation are discussed. The accuracy of such a loop representation is studied for a variety of lattices and quark masses. The method has been successfully applied for lattices up to 10^3x20 at beta=5.7 with clover action, and allows simulations at or near kappa critical.

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