Efficient conversion of closed-channel dominated Feshbach molecules of ${}^{23}$Na${}^{40}$K to their absolute ground state

Roman Bause, Akira Kamijo, Xing-Yan Chen +4

We demonstrate the transfer of ${}^{23}$Na${}^{40}$K molecules from a closed-channel dominated Feshbach-molecule state to the absolute ground state. The Feshbach molecules are initiall…