Polyakov loops and finite-size effects of hadron masses in full lattice QCD
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1995
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Elsevier Science BV
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Abstract
Polyakov type loops are responsible for the difference between quenched and unquenched finite size effects on the QCD mass spectrum. With a numerical simulation, using appropriate sea quark spatial boundary conditions, we show that we can align the phases of spatial Polyakov loops in a predelined direction. Starting from these results, we propose a procedure to minimize fluctuations due to these effects in meson propagators.
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© 1995 Published by Elsevier B.V.We thank G. Parisi for useful suggestions concerning this work and for many discussions and G.C. Rossi for a careful reading of the manuscript. We acknowledge interesting discussions with E. Marinari. We would like to thank F. Marzano, J. Pech, F. Rapuano for encouragements and support. L.A.F., A.M.S., J.J.R.L. and A.T. acknowledge CICyT (Spain) for
partial financial support. J.J.R.L. is also supported by
a grant of MEC (Spain).