van der Waals interaction of atoms in circular Rydberg statesAleksandr A. Kamenski, Nikolay L. Manakov, Sergey N. Mokhnenko, Vitaly D. Ovsiannikov and Alisa A. ZenischevaEur. Phys. J. D, 72 10 (2018) 174DOI: https://doi.org/10.1140/epjd/e2018-90164-1