Observation of Cold Collisions between Trapped Ions and Trapped Atoms

Abstract

We demonstrate a double-trap system well suited to study cold collisions between trapped ions and trapped atoms. Using Yb${}^{+}$ ions confined in a Paul trap and Yb atoms in a magneto-optical trap, we investigate charge-exchange collisions of several isotopes for collision energies down to 400 neV (5 mK). The measured rate coefficient of $6\times 10^{-10}$ cm${}^3$s${}^{-1}$, constant over four orders of magnitude in collision energy, is in good agreement with that derived from a semiclassical Langevin model for an atomic polarizability of 143 a.u.

4 pages, 4 figures; Revision 1/V2: Revised in response to PRL Referees' comments

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• Production of cold molecules via magnetically tunable Feshbach resonances
• Atom--Molecule Coherence in a Bose-Einstein Condensate
• Degenerate Fermi Gases of Ytterbium
• Mesoscopic molecular ions in Bose-Einstein condensates
• Quantum theory of ultracold atom-ion collisions
• Radiative charge transfer lifetime of the excited state of (NaCa)${}^{+}$
• Controlled collisions of a single atom and ion guided by movable trapping potentials
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Cited by in corpus (168)

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• Precise determination of micromotion for trapped-ion optical clocks
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• Universal properties in ultracold ion-atom interactions
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• Light-Assisted Cold Chemical Reactions of Barium Ions with Rubidium Atoms
• Neutral gas sympathetic cooling of an ion in a Paul trap
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• Evidence of sympathetic cooling of Na+ ions by a Na MOT in a hybrid trap
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• The role of electronic excitation in cold atom-ion chemistry
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• Optical Traps for sympathetic Cooling of Ions with ultracold neutral Atoms
• Unraveling the Structure of Ultracold Mesoscopic Molecular Ions
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• Observation of elastic collisions between lithium atoms and calcium ions
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• Dynamics of a single ion spin impurity in a spin-polarized atomic bath
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• Hybrid quantum systems of atoms and ions
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• A trapped ion in an optical cavity: numerical study of an optomechanical transition in the few-photon regime
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• Sub-Micron Positioning of Trapped Ions with Respect to the Absolute Center of a Standing Wave Cavity Field
• Off-resonance energy absorption in a linear Paul trap due to mass selective resonant quenching
• Ultracold Interactions between Ions and Polar Molecules
• Ab initio electronic structure of the Sr${}_2^{+}$ molecular ion
• Bound states of an ultracold atom interacting with a set of stationary impurities
• Universal non-monotonic structure in the saturation curves of MOT-loaded Na${}^{+}$ ions stored in an ion-neutral hybrid trap: Prediction and observation
• Dynamical ion transfer between coupled Coulomb crystals in a double well potential
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• Singularities of Floquet Scattering and Tunneling
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• Surface excitation of Rydberg dressed quantum droplet of Bose-Einstein Condensates
• A versatile apparatus for simultaneous trapping of multiple species of ultracold atoms and ions to enable studies of low energy collisions and cold chemistry
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• Hybrid quantum systems of ions and atoms
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• Semimetals without correspondence between the topological charge of nodal line/surface and Fermi arc
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