# Localization and chiral symmetry in three flavor domain wall QCD

David Antonio, Kenneth Bowler, Peter Boyle, Norman Christ, Michael Clark, Saul Cohen, Chris Dawson, Alistair Hart, Balint Joó, Chulwoo Jung, Richard Kenway, Shu Li, Meifeng Lin, Robert Mawhinney, Christopher Maynard, Shigemi Ohta, Robert Tweedie, Azusa Yamaguchi

Research output: Contribution to journalArticlepeer-review

## Abstract

We present results for the dependence of the residual mass of domain wall fermions (DWF) on the size of the fifth dimension and its relation to the density and localization properties of low-lying eigenvectors of the corresponding hermitian Wilson Dirac operator relevant to simulations of 2+1 flavor domain wall QCD. Using the DBW2 and Iwasaki gauge actions, we generate ensembles of configurations with a $16^3\times 32$ space-time volume and an extent of 8 in the fifth dimension for the sea quarks. We demonstrate the existence of a regime where the degree of locality, the size of chiral symmetry breaking and the rate of topology change can be acceptable for inverse lattice spacings $a^{-1} \ge 1.6$ GeV.
Original language English 014509 21 Physical Review D 77 1 https://doi.org/10.1103/PhysRevD.77.014509 Published - 22 Jan 2008

• hep-lat

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