Non-perturbative improvement of the axial current in $N_f$=3 lattice QCD with Wilson fermions and tree-level improved gauge action

@article{Bulava2015NonperturbativeIO,
  title={Non-perturbative improvement of the axial current in \$N_f\$=3 lattice QCD with Wilson fermions and tree-level improved gauge action},
  author={John Bulava and Michele Della Morte and Jochen Heitger and Christian Wittemeier},
  journal={Nuclear Physics},
  year={2015},
  volume={896},
  pages={555-568}
}
  • John Bulava, Michele Della Morte, +1 author Christian Wittemeier
  • Published 2015
  • Physics
  • Nuclear Physics
  • The coecient cA required for O(a) improvement of the axial current in lattice QCD with Nf = 3 flavors of Wilson fermions and the tree-level Symanzik-improved gauge action is determined non-perturbatively. The standard improvement condition using Schrodinger functional boundary conditions is employed at constant physics for a range of couplings relevant for simulations at lattice spacings of 0:09 fm and below. We define the improvement condition projected onto the zero topological charge sector… CONTINUE READING

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