Normal form expansions and thermal decay rates of Bose-Einstein condensates with short- and long-range interactionAndrej Junginger, Teresa Schaller, Gela Hämmerling, Jörg Main and Günter WunnerEur. Phys. J. D, 69 3 (2015) 83DOI: https://doi.org/10.1140/epjd/e2015-50883-3