Towards Highly Improved Quark Actions

Details Towards Highly Improved Quark Actions Towards Highly Improved Quark Actions

1996-08-22

arxiv.org/abs/hep-lat/9608113v1

Nucl.Phys.Proc.Suppl. 53 (1997) 861-866

Physics

High Energy Physics

High Energy Physics - Lattice

Talks presented at LATTICE96(improvement), 6 pages, LaTeX, 2 eps files, espcrc2.sty (included)

Scientific paper

10.1016/S0920-5632(96)00803-1

We describe two ideas useful in the construction of highly improved quark actions for simulations on coarse lattices: (1) Field transformations to solve the doubler problem without destroying tree-level improvement for on- or off-shell quantities. (2) Anisotropic lattices with smaller temporal than spatial lattice spacing. We present first simulation results for the quenched light hadron and charmonium spectra obtained with a D234 action on anisotropic lattices.

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