Exploring quantum phase slips in 1D bosonic systems Simona Scaffidi Abbate, Lorenzo Gori, Massimo Inguscio, Giovanni Modugno and Chiara D'Errico Eur. Phys. J. Special Topics, 226 12 (2017) 2815-2827 Published online: 26 July 2017 DOI: 10.1140/epjst/e2016-60381-0