Simulations of QCD and QED with C* boundary conditions

Preprint number: CP3-Origins-2017-46 DNRF90
Authors: Martin Hansen (CP3-Origins), Biagio Lucini (Swansea University), Agostino Patella (CERN & Plymouth University), and Nazario Tantalo (Università di Roma “Tor Vergata”)
External link: arXiv.org

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We present exploratory results from dynamical simulations of QCD in isolation, as well as QCD coupled to QED, with C* boundary conditions. In finite volume, the use of C* boundary conditions allows for a gauge invariant and local formulation of QED without zero modes. In particular we show that the simulations reproduce known results and that masses of charged mesons can be extracted in a completely gauge invariant way. For the simulations we use a modified version of the HiRep code. The primary features of the simulation code are presented and we discuss some details regarding the implementation of C* boundary conditions and the simulated lattice action.