Study of atomic coherence effects in multi-level V+Ξ system involving Rydberg state Amanjot Kaur, Neeraj Singh and Paramjit Kaur Eur. Phys. J. D, 72 6 (2018) 109 Published online: 12 June 2018 DOI: 10.1140/epjd/e2018-90172-1