期刊
NEW JOURNAL OF PHYSICS
卷 19, 期 -, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/aa8c45
关键词
ultracold atoms; optical lattices; ultracold collisions; clock transition
We report on high-resolution optical spectroscopy of interacting bosonic Yb-174 atoms in deep optical lattices with negligible tunneling. Weprepare Mott insulator phases with singly-and doubly-occupied isolated sites and probe the atoms using an ultra-narrow 'clock' transition. Atoms in singly-occupied sites undergo long-lived Rabi oscillations. Atoms in doubly-occupied sites are strongly affected by interatomic interactions, and we measure their inelastic decay rates and energy shifts. Wededuce from these measurements all relevant collisional parameters involving both clock states, in particular the intra-and inter-state scattering lengths.
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