Rough Gauge Fields, Smearing and Domain Wall Fermions

Details Rough Gauge Fields, Smearing and Domain Wall Fermions Rough Gauge Fields, Smearing and Domain Wall Fermions

2004-09-17

arxiv.org/abs/hep-lat/0409115v1

Nucl.Phys.Proc.Suppl.140:692,2005

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, 2 figures. Talk presented at Lattice2004(chiral), Fermilab, June 21-26, 2004

Scientific paper

10.1016/j.nuclphysbps.2004.11.30

At a fixed lattice spacing, as determined by say m_\rho, adding additional fermion flavors to a dynamical simulation produces rougher gauge field configurations at the lattice scale. For domain wall fermions, these rough configurations lead to larger residual chiral symmetry breaking and larger values for the residual masses, m_{res}. We discuss ongoing attempts to reduce chiral symmetry breaking for N_f = 3 dynamical domain wall fermion simulations by different smoothing choices for the gauge fields.

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