Cat states in a driven superfluid: role of signal shape and switching protocol Jesús Mateos, Gregor Pieplow, Charles Creffield and Fernando Sols Eur. Phys. J. Spec. Top., 230 4 (2021) 1013-1019 Published online: 14 April 2021 DOI: 10.1140/epjs/s11734-021-00077-1