=2+1+1 twisted mass lattice QCD.
Remi BaronPhilippe BoucaudJaume CarbonellVincent DrachFederico FarchioniGregorio HerdoizaKarl JansenChris MichaelIstvan MontvayElisabetta PallanteOlivier PèneSiebren RekerCarsten UrbachMarc WagnerUrs WengerPublished in: Comput. Phys. Commun. (2011)