Atoms and molecules in a confined environment Vincenzo Aquilanti, H. E. Montgomery, C. N. Ramachandran and Narayanasami Sathyamurthy Eur. Phys. J. D, 75 6 (2021) 187 Published online: 28 June 2021 DOI: 10.1140/epjd/s10053-021-00197-2