Full QCD simulation on CP-PACS

Details Full QCD simulation on CP-PACS Full QCD simulation on CP-PACS

1997-08-21

arxiv.org/abs/hep-lat/9708015v1

Nucl.Phys.Proc.Suppl. 60A (1998) 335-340

Physics

High Energy Physics

High Energy Physics - Lattice

Talk presented by K. Kanaya at the International Workshop on ``LATTICE QCD ON PARALLEL COMPUTERS'', 10-15 March 1997, Center f

Scientific paper

10.1016/S0920-5632(97)00494-5

A status report is made of an on-going full QCD study on the CP-PACS aiming at a comparative analysis of the effects of improving gauge and quark actions on hadronic quantities and static quark potential. Simulations are made for four action combinations, the plaquette or an RG-improved action for gluons and the Wilson or SW-clover action for quarks, at $a^{-1} \approx 1.1$-1.3GeV and $m_\pi/m_\rho \approx 0.7$-0.9. Results demonstrate clearly that the clover term markedly reduces discretization errors for hadron spectrum, while adding six-link terms to the plaquette action leads to much better rotational symmetry in the potential. These results extend experience with quenched simulations to full QCD.

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