Finite-size–dependent dispersion potentials between atoms and ions dissolved in water P. Thiyam, M. Boström, C. Persson, D. F. Parsons, I. Brevik and Bo E. Sernelius EPL, 106 5 (2014) 53002 Published online: 10 June 2014 DOI: 10.1209/0295-5075/106/53002