Measurement of Rb-Rb van der Waals coefficient via quantum diffractive universality
Riley A. Stewart, Pinrui Shen, James L. Booth +1 more
The authors demonstrate a new method for measuring the C${}_{6}$ van der Waals coefficient of the Rb-Rb interaction potential from the loss rate of atoms confined in a shallow atom trap of tunable depth. The technique is based on the universal nature of the room-temperature collisions, which depends only on the long-range potential between the collision partners.
arXiv:2208.12805•Physical Review A•Nov 30, 2022•11 citations