Ultracold Interactions between Ions and Polar Molecules

Abstract

We propose a platform for observing and controlling the interactions between atomic ions and a quantum gas of polar molecules in the ultracold regime. This approach is based on the combination of several recently developed methods in two so-far complementary research domains: ion-atom collisions and studies of ultracold polar molecules. In contrast to collisions between ions and ground-state atoms, which are dominated by losses due to three-body recombination (TBR) already at densities far below those typical for quantum degenerate ensembles, our proposal makes use of polar molecules, their rich level structure, and sensitivity to electric fields to design effective interaction potentials where ion-neutral TBR losses and molecule-molecule losses due to sticky collisions could be strongly suppressed. This may open a broad range of applications including precise control of collisional properties in molecular ensembles using ions, quantum simulations, and cold quantum chemistry between polyatomic molecules.

17 pages, 7 figures, 4 tables; replacement for arXiv:2409.16833v2 [physics.atom-ph]; Summary of changes: added and updated several references, added Tables IV, removed typos

References in corpus (98)

• A High Phase-Space-Density Gas of Polar Molecules
• Quantum computation with trapped polar molecules
• Quantum-State Controlled Chemical Reactions of Ultracold KRb Molecules
• Strongly correlated 2D quantum phases with cold polar molecules: controlling the shape of the interaction potential
• Calculation of accurate permanent dipole moments of the lowest ${}^{1,3}{\Sigma }^{+}$ states of heteronuclear alkali dimers using extended basis sets
• Dynamics of a cold trapped ion in a Bose-Einstein condensate
• A Fermi Degenerate Gas of Polar Molecules
• Cold hybrid ion-atom systems
• Observation of Cold Collisions between Trapped Ions and Trapped Atoms
• Quantum phase transition in a two-dimensional system of dipoles
• Direct observation of bimolecular reactions of ultracold KRb molecules
• Evaporation of microwave-shielded polar molecules to quantum degeneracy
• Non-destructive state detection for quantum logic spectroscopy of molecular ions
• Direct Laser Cooling of a Symmetric Top Molecule
• Mesoscopic molecular ions in Bose-Einstein condensates
• Observation of magnetically tunable Feshbach resonances in ultracold ${}^{23}$Na${}^{40}$K+${}^{40}$K collisions
• Ultracold polar molecules as qudits
• Observation of Bose-Einstein Condensation of Dipolar Molecules
• Micromotion-induced Limit to Atom-Ion Sympathetic Cooling in Paul Traps
• Microwave shielding of ultracold polar molecules
• Sympathetic and swap cooling of trapped ions by cold atoms in a MOT
• The hyperfine energy levels of alkali metal dimers: ground-state polar molecules in electric and magnetic fields
• Resonant collisional shielding of reactive molecules using electric fields
• Repulsive shield between polar molecules
• Cold heteronuclear atom-ion collisions
• Emulating Solid-State Physics with a Hybrid System of Ultracold Ions and Atoms
• Dipolar evaporation of reactive molecules to below the Fermi temperature
• Collisional Cooling of Ultracold Molecules
• A single ion as a three-body reaction center in an ultracold atomic gas
• Controlling the scattering length of ultracold dipolar molecules
• Dynamics of a ground-state cooled ion colliding with ultra-cold atoms
• Loss of ultracold RbCs molecules via optical excitation of long-lived two-body collision complexes
• Atom-ion quantum gate
• Strong dependence of ultracold chemical rates on electric dipole moments
• The ground state of the polar alkali-Strontium molecules: potential energy curve and permanent dipole moment
• Observation of Feshbach resonances between a single ion and ultracold atoms
• Buffer gas cooling of a trapped ion to the quantum regime
• Energy scaling of cold atom-atom-ion three-body recombination
• An ionic impurity in a Bose-Einstein condensate at sub-microkelvin temperatures
• Universal ultracold collision rates for polar molecules of two alkali-metal atoms
• Collisions of ultracold molecules in bright and dark optical dipole traps
• Quantum non-demolition state detection and spectroscopy of single trapped molecules
• Self-bound dipolar droplets and supersolids in molecular Bose-Einstein condensates
• Ion-neutral chemistry at ultralow energies: Dynamics of reactive collisions between laser-cooled Ca^+ ions and Rb atoms in an ion-atom hybrid trap
• Probing photoinduced two-body loss of ultracold non-reactive bosonic ${}^{23}$Na${}^{87}$Rb and ${}^{23}$Na${}^{39}$K molecules
• Dynamics of ultracold molecules in confined geometry and electric field
• A quasiclassical method for calculating the density of states of ultracold collision complexes
• Synthesis of mixed hypermetallic oxide BaOCa${}^{+}$ from laser-cooled reagents in an atom-ion hybrid trap
• Liquid and crystal phase of dipolar fermions in two dimensions
• Observation of collisions between cold Li atoms and Yb${}^{+}$ ions
• A far-off-resonance optical trap for a Ba${}^{+}$ ion
• Reactive collisions of trapped anions with ultracold atoms
• A bosonic Josephson junction controlled by a single trapped ion
• Microwave shielding of bosonic NaRb molecules
• Optical Traps for sympathetic Cooling of Ions with ultracold neutral Atoms
• Life and death of a cold BaRb${}^{+}$ molecule inside an ultracold cloud of Rb atoms
• Unraveling the Structure of Ultracold Mesoscopic Molecular Ions
• Transport of a single cold ion immersed in a Bose-Einstein condensate
• Polarization Enhanced Deep Optical Dipole Trapping of $\Lambda$-cooled Polar Molecules
• Controlled long-range interactions between Rydberg atoms and ions
• Direct laser cooling of calcium monohydride molecules
• Suppression of Ion Transport due to Long-Lived Sub-Wavelength Localization by an Optical Lattice
• Optical trapping of ion Coulomb crystals
• Long-lived entanglement of molecules in magic-wavelength optical tweezers
• Spatial imaging of a novel type of molecular ions
• Optical shielding of destructive chemical reactions between ultracold ground-state NaRb molecules
• Long-range Rydberg-atom-ion molecules of Rb and Cs
• Long-range interactions between polar alkali-metal diatoms in external electric fields
• Microwave shielding of ultracold polar molecules with imperfectly circular polarization
• Interactions and chemical reactions in ionic alkali-metal and alkaline-earth-metal diatomic $A{B}^{+}$ and triatomic $A_2{B}^{+}$ systems
• Observation of Chemical Reactions between a Trapped Ion and Ultracold Feshbach Dimers
• Three-dimensional Magneto-optical Trapping of Barium Monofluoride
• Enriching the quantum toolbox of ultracold molecules with Rydberg atoms
• Observation of Interactions between Trapped Ions and Ultracold Rydberg Atoms
• Tune-out and magic wavelengths for ground-state ${}^{23}$Na${}^{40}$K molecules
• Long-range atom-ion Rydberg molecule: A novel molecular binding mechanism
• Ion induced density bubble in a strongly correlated one dimensional gas
• Cold chemistry: a few-body perspective on impurity physics of a single ion in an ultracold bath
• Many-body bound states and induced interactions of charged impurities in a bosonic bath
• Inelastic collision dynamics of a single cold ion immersed in a Bose-Einstein condensate
• Cooling dynamics of a single trapped ion via elastic collisions with small-mass atoms
• Trapped ions in Rydberg-dressed atomic gases
• Direct observation of atom-ion non-equilibrium sympathetic cooling
• Quantum simulation of molecules in solution
• Trapping, Shaping and Isolating of Ion Coulomb Crystals via State-selective Optical Potentials
• Collisional losses of ultracold molecules due to intermediate complex formation
• Mass-selective removal of ions from Paul traps using parametric excitation
• Bichromatic Imaging of Single Molecules in an Optical Tweezer Array
• Two-photon optical shielding of collisions between ultracold polar molecules
• Single-shot energy measurement of a single atom and the direct reconstruction of its energy distribution
• Compound atom-ion Josephson junction: Effects of finite temperature and ion motion
• Trapping Single Ions and Coulomb Crystals with Light Fields
• Photon-mediated charge-exchange reactions between 39K atoms and 40Ca+ ions in a hybrid trap
• Hyperfine dependent atom-molecule loss analyzed by the analytic solution of few-body loss equations
• Ion solvation in atomic baths: from snowballs to polarons
• Collisions of Spin-polarized YO Molecules for Single Partial Waves
• Interactions of Ions and Ultracold Neutral Atom Ensembles in Composite Optical Dipole Traps: Developments and Perspectives
• A versatile apparatus for simultaneous trapping of multiple species of ultracold atoms and ions to enable studies of low energy collisions and cold chemistry