Study of implosion in an attractive Bose-Einstein condensate Sabari Subramaniyan, Amitava Choudhuri, Kuppusamy Porsezian and Bishwajyoti Dey Eur. Phys. J. D, 70 5 (2016) 109 Published online: 12 May 2016 DOI: 10.1140/epjd/e2016-60704-x