Canonical momenta in digitized Su(2) lattice gauge theory: definition and free theory Timo Jakobs, Marco Garofalo, Tobias Hartung, Karl Jansen, Johann Ostmeyer, Dominik Rolfes, Simone Romiti and Carsten Urbach Eur. Phys. J. C, 83 7 (2023) 669 Published online: 27 July 2023 DOI: 10.1140/epjc/s10052-023-11829-9