Trapping and Ground-State Cooling of a Single H${}_2^{+}$

N. Schwegler, D. Holzapfel, M. Stadler +4

We demonstrate co-trapping and sideband cooling of a H${}_2^{+}$ - ${}^9$Be${}^{+}$ ion pair in a cryogenic Paul trap. We study the chemical lifetime of H${}_2^{+}$ and its dependence on the app…