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The vector and axial vector current in Wilson ChPT

2008
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Proceedings of The XXV International Symposium on Lattice Field Theory — PoS(LATTICE 2007)
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unpublished

We construct the vector and axial vector currents in Wilson Chiral Perturbation Theory (WChPT), the low-energy effective theory for lattice QCD with Wilson fermions. Our construction is slightly different compared to ChPT in continuum QCD, where the currents are essentially the (partially) conserved currents associated with the chiral symmetries. In WChPT, due to explicit chiral symmetry breaking at non-zero lattice spacing, there appear O(a) terms in the expressions for the currents which do

doi:10.22323/1.042.0062
fatcat:l4jmm7sdkjcl7jvgpz4k5jyvvm