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Improving the Dirac Operator in Lattice QCD by Gattringer, Christof; Lang, C. B. is a scholarly article available to read on EtoBox.

What is Improving the Dirac Operator in Lattice QCD about?

Recently various new concepts for the construction of Dirac operators in lattice Quantum Chromodynamics (QCD) have been introduced. These operators satisfy the so-called Ginsparg-Wilson condition (GWC), thus obeying the Atiyah-Singer index theorem and violating chiral symmetry only in a modest and local form. Here we present studies in 4-d for SU(3) gauge configurations with non-trivial topological content. We study the flow of eigenvalues and we compare the numerical stability and efficiency of a recently suggested chirally improved operator with that of others in this respect.

Author

Gattringer, Christof; Lang, C. B.

Published

2001

Language

EN