Effects of the nonlinear interactions on the tunneling time of ultracold atoms Fazal Badshah, Abdul Basit, Hamad Ali, Qing He, Haiyang Zhang and Guo-qin Ge Eur. Phys. J. D, 73 3 (2019) 50 Published online: 12 March 2019 DOI: 10.1140/epjd/e2019-90391-x