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Pion spectrum using improved staggered fermions
Taegil Bae, Jongjeong Kim, Weonjong Lee +1
We present results for the pion multiplet spectrum calculated using both unimproved staggered fermions and improved HYP-smeared staggered fermions. In the case of unimproved stagge…
in unquenched QCD using improved staggered fermions
Jongjeong Kim, Taegil Bae, Weonjong Lee +1
We present preliminary results for calculated using improved staggered fermions with a mixed action (HYP-smeared staggered valence quarks and AsqTad staggered sea quarks). We…
Discretization errors in the spectrum of the Hermitian Wilson-Dirac operator
Stephen R. Sharpe
I study the leading effects of discretization errors on the low energy part of the spectrum of the Hermitian Wilson-Dirac operator in infinite volume. The method generalizes that u…
Applications of Chiral Perturbation theory to lattice QCD
Stephen. R. Sharpe
These lectures describe the use of effective field theories to extrapolate results from the parameter region where numerical simulations of lattice QCD are possible to the physical…
Comment on "Chiral anomalies and rooted staggered fermions"
Claude Bernard, Maarten Golterman, Yigal Shamir +1
In hep-lat/0701018, Creutz claims that the rooting trick used in simulations of staggered fermions to reduce the number of tastes misses key physics whenever the desired theory has…