PoS - Proceedings of Science
Volume 256 - 34th annual International Symposium on Lattice Field Theory (LATTICE2016) - Theoretical Developments
Sea quark QED effects and twisted mass fermions
R. Frezzotti*, G. Rossi and N. Tantalo
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Pre-published on: February 17, 2017
Published on: March 24, 2017
We show that maximally twisted mass fermions can be employed to regularize on the lattice
the fully unquenched QCD+QED theory with vanishing θ-term. We discuss how the critical
mass of the up and down quarks can be conveniently determined beyond the electroquenched
approximation by imposing that certain symmetries of continuum QCD+QED, which are broken
by Wilson terms, get restored in the continuum limit.
DOI: https://doi.org/10.22323/1.256.0320
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