Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1998-12-10
Physics
High Energy Physics
High Energy Physics - Lattice
Talk presented at ICHEP'98, July 23-29, 1998, Vancouver, Canada. 7 pages, 9 figures Omission from electronic author list corre
Scientific paper
A serious difficulty in conventional lattice field theory calculations is the coupling between the chiral and continuum limits. With both staggered and Wilson fermions, the chiral limit cannot be realized without first taking the limit of vanishing lattice spacing. In this talk, we report on extensive studies of the domain wall formulation of lattice fermions, which avoids this difficulty at the expense of requiring that fermion propagators be computed in five dimensions. A variety of results will be described for quenched and dynamical simulations at both zero and finite temperature. Conclusions about the benefits of this new method and some new physical results will be presented. These results were obtained on the QCDSP machines recently put into operation at Columbia and the RIKEN Brookhaven Research Center.
Chen Ping
Christ Norman
Fleming Geoerge
Kaehler Adrian
Malureanu Catalin
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