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Chirality Correlation within Dirac Eigenvectors from Domain Wall Fermions

High Energy Physics - Lattice 2009-11-07 v1 High Energy Physics - Theory

Abstract

In the dilute instanton gas model of the QCD vacuum, one expects a strong spatial correlation between chirality and the maxima of the Dirac eigenvectors with small eigenvalues. Following Horvath, {\it et al.} we examine this question using lattice gauge theory within the quenched approximation. We extend the work of those authors by using weaker coupling, β=6.0\beta=6.0, larger lattices, 16416^4, and an improved fermion formulation, domain wall fermions. In contrast with this earlier work, we find a striking correlation between the magnitude of the chirality density, ψ(x)γ5ψ(x)|\psi^\dagger(x)\gamma^5\psi(x)|, and the normal density, ψ(x)ψ(x)\psi^\dagger(x)\psi(x), for the low-lying Dirac eigenvectors.

Keywords

Cite

@article{arxiv.hep-lat/0105006,
  title  = {Chirality Correlation within Dirac Eigenvectors from Domain Wall Fermions},
  author = {T. Blum and N. Christ and C. Cristian and C. Dawson and X. Liao and G. Liu and R. Mawhinney and L. Wu and Y. Zhestkov},
  journal= {arXiv preprint arXiv:hep-lat/0105006},
  year   = {2009}
}

Comments

latex, 25 pages including 12 eps figures