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Observation of an Inner-Shell Orbital Clock Transition in Neutral Ytterbium Atoms
Taiki Ishiyama, Koki Ono, Tetsushi Takano +2
We observe a weakly allowed optical transition of atomic ytterbium from the ground state to the metastable state for all five bosonic and two fermionic iso…
High-resolution spectroscopy and single-photon Rydberg excitation of reconfigurable ytterbium atom tweezer arrays utilizing a metastable state
Daichi Okuno, Yuma Nakamura, Toshi Kusano +4
We present an experimental system for Rydberg tweezer arrays with ytterbium (Yb) atoms featuring internal state manipulation between the ground S and the metastable ${}^3…
Observation of non-linearity of generalized King plot in the search for new boson
Koki Ono, Yugo Saito, Taiki Ishiyama +6
We measure isotope shifts for neutral Yb isotopes on an ultranarrow optical clock transition with an accuracy of a few Hz. The part-per-billion…
Weakly bound molecules as sensors of new gravitylike forces
Mateusz Borkowski, Alexei A. Buchachenko, Roman Ciuryło +5
Several extensions to the Standard Model of particle physics, including light dark matter candidates and unification theories, predict deviations from Newton's law of gravitation.…
Feshbach-Resonance-Enhanced Coherent Atom-Molecule Conversion with Ultra-Narrow Photoassociation Resonance
Shintaro Taie, Shunsuke Watanabe, Tomohiro Ichinose +1
We reveal the existence of high-density Feshbach resonances in the collision between the ground and metastable states of Yb and coherently produce the associated Feshbach m…
Observation of a p-wave Optical Feshbach Resonance
Rekishu Yamazaki, Shintaro Taie, Seiji Sugawa +2
We demonstrate a p$-wave optical Feshbach resonance (OFR) using purely long-range molecular states of a fermionic isotope of ytterbium ^{171}Yb, following the proposition made by K…