Quadratic-nonlinear Landau-Zener transition for association of an atomic Bose-Einstein condensate with inter-particle elastic interactions includedA. Ishkhanyan, R. Sokhoyan, K. A. Suominen, C. Leroy and H. R. JauslinEur. Phys. J. D, 56 3 (2010) 421-429DOI: https://doi.org/10.1140/epjd/e2009-00310-7