The Schrödinger functional in lattice QCD with exact chiral symmetry

  title={The Schrödinger functional in lattice QCD with exact chiral symmetry},
  author={Martin L{\"u}scher},
Similarly to the interaction lagrangian, the possible boundary conditions in quantum field theories on space-time manifolds with boundaries are strongly constrained by the symmetry and scaling properties of the theory. Based on this general insight, a lattice formulation of the QCD Schrödinger functional is proposed for the case where the lattice Dirac operator in the bulk of the lattice coincides with the Neuberger–Dirac operator. The construction satisfies all basic requirements (locality… CONTINUE READING

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