van der Waals interaction of atoms in circular Rydberg states Aleksandr A. Kamenski, Nikolay L. Manakov, Sergey N. Mokhnenko, Vitaly D. Ovsiannikov and Alisa A. Zenischeva Eur. Phys. J. D, 72 10 (2018) 174 Published online: 05 October 2018 DOI: 10.1140/epjd/e2018-90164-1