Staggered Fermion Actions with Improved Rotational Invariance

Details Staggered Fermion Actions with Improved Rotational Invariance Staggered Fermion Actions with Improved Rotational Invariance

1997-09-30

arxiv.org/abs/hep-lat/9709157v1

Nucl.Phys.Proc.Suppl.63:895-897,1998

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages and 4 figures, Contribution to Lattice 97 (Poster Session), latex

Scientific paper

10.1016/S0920-5632(97)00933-X

We introduce a class of improved actions for staggered fermions which to
O(p^4) and O(p^6), respectively, lead to rotationally invariant propagators. We
discuss the resulting reduction of flavour symmetry breaking in the meson
spectrum and comment on the improvement in the calculation of thermodynamic
observables.

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