Staggered Fermion Actions with Improved Rotational Invariance
classification
✦ hep-lat
keywords
actionsimprovedstaggeredbreakingcalculationclasscommentdiscuss
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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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