A new method for producing ultracold molecular ions

Abstract

We propose a new method for the production of ultracold molecular ions. This method utilizes sympathetic cooling due to the strong collisions between appropriately chosen molecular ions and laser-cooled neutral atoms to realize ultracold, internal ground-state molecular ions. In contrast to other experiments producing cold molecular ions, our proposed method efficiently cools both the internal and external molecular ion degrees of freedom. The availability of an ultracold, absolute ground-state sample of molecular ions would have broad impact to fields as diverse as quantum chemistry, astrophysics, and fundamental physics; and may lead to the development of a robust, scalable quantum computer.

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Cited by in corpus (40)

• Cold and Ultracold Molecules: Science, Technology, and Applications
• Cold hybrid ion-atom systems
• Preparation and coherent manipulation of pure quantum states of a single molecular ion
• Millikelvin Reactive Collisions between Sympathetically-Cooled Molecular Ions and Laser-Cooled Atoms in an Ion-Atom Hybrid Trap
• Micromotion-induced Limit to Atom-Ion Sympathetic Cooling in Paul Traps
• Cold heteronuclear atom-ion collisions
• Challenges of laser-cooling molecular ions
• Neutral gas sympathetic cooling of an ion in a Paul trap
• Cavity QED in a molecular ion trap
• Kinetics of a single trapped ion in an ultracold buffer gas
• Evidence of sympathetic cooling of Na+ ions by a Na MOT in a hybrid trap
• Buffer-gas cooling of a single ion in a multipole radio frequency trap beyond the critical mass ratio
• Structure of the Alkali-metal-atom-Strontium molecular ions: towards photoassociation and formation of cold molecular ions
• Description of ion motion in a Paul trap immersed in a cold atomic gas
• Observation of elastic collisions between lithium atoms and calcium ions
• Quantum state preparation and control of single molecular ions
• Quantum-defect theory for $-1/r^4$ type of interactions
• Quantum logic for control and manipulation of molecular ions using a frequency comb
• Ion-neutral sympathetic cooling in a hybrid linear rf Paul and magneto-optical trap
• Molecular ion trap-depletion spectroscopy of BaCl${}^{+}$
• Ion-atom cold collision: Formation of cold molecular ion by radiative processes
• Trapping molecular ions formed via photo-associative ionization of ultracold atoms
• Measurement of the Coulomb Logarithm in a Radio-Frequency Paul Trap
• Production of NaCa${}^{+}$ molecular ions in the ground state from cold atom-ion mixtures by photoassociation via an intermediate state
• Measurement of low-energy Na^+ -- Na total collision rate in an ion--neutral hybrid trap
• Optical pulse-shaping for internal cooling of molecules
• Quantum-defect theory of resonant charge exchange
• Dynamics of a single trapped ion immersed in a buffer gas
• Ion trap with integrated time-of-flight mass spectrometer
• Spectroscopic properties of the molecular ions BeX^+ (X=Na, K, Rb): Forming cold molecular ions from an ion-atom mixture by stimulated Raman adiabatic process
• Photon-mediated charge-exchange reactions between 39K atoms and 40Ca+ ions in a hybrid trap
• Study of dipole moments of LiSr and KRb molecules by quantum Monte Carlo methods
• Collisional state-changing of OH${}^{-}$ rotations by interaction with Rb atoms in cold traps
• Production of translationally cold barium monohalide ions
• Measurement of charge-exchange between Na and \ce{Ca+} in a hybrid trap
• \textit{Ab initio} study of reactive collisions between Rb(${}^{2}S$) or Rb(${}^{2}P$) and OH${}^{-}$(${}^1{\Sigma }^{+}$)
• Structure, spectroscopy and cold collisions of the (SrNa)${}^{+}$ ionic system
• Effects of Conical Intersections on Hyperfine Quenching of Hydroxyl OH in collision with an ultracold Sr atom
• Precise Determination of Excited State Rotational Constants and Black-Body Thermometry in Coulomb Crystals of Ca${}^{+}$ and CaH${}^{+}$
• Charge Exchange Dynamics in Cold Collisions of ${}^{40}$CaH${}^{+}$ and ${}^{39}$K