Collisional Control of Ground State Polar Molecules and Universal Dipolar Scattering

Abstract

We explore the impact of the short range interaction on the scattering of ground state polar molecules, and study the transition from a weak to strong dipolar scattering over an experimentally reasonable range of energies and electric field values. In the strong dipolar limit, the scattering scales with respect to a dimensionless quantity defined by mass, induced dipole moment, and collision energy. The scaling has implications for all quantum mechanical dipolar scattering, and therefore this universal dipolar scaling provides estimates of scattering cross sections for any dipolar system.

4 pages, 2 figures

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• Reaching Fermi degeneracy via universal dipolar scattering
• Quasi-Universal Dipolar Scattering in Cold and Ultracold Gases
• Ultracold polar molecules near quantum degeneracy
• Universal ultracold collision rates for polar molecules of two alkali-metal atoms
• Controlling interactions between highly-magnetic atoms with Feshbach resonances
• 2-Dimensional Dipolar Scattering
• Dipolar confinement-induced resonances of ultracold gases in waveguides
• Quasi-two dimensional dipolar scattering
• Differential Scattering and Rethermalization in Ultracold Dipolar Gases
• Low-energy resonances and bound states of aligned bosonic and fermionic dipoles
• Universal resonant ultracold molecular scattering
• Dipolar Fermi gases in anisotropic traps
• Three body recombination of ultracold dipoles to weakly bound dimers
• Properties of strongly dipolar Bose gases beyond the Born approximation
• Resonant and first-order dipolar interactions between ultracold molecules in static and microwave electric fields
• Numerical method for evolving the dipolar projected Gross-Pitaevskii equation
• Resonance phenomena in ultracold dipole-dipole scattering
• Impact of Electric Fields on Highly Excited Rovibrational States of Polar Dimers
• Two dimensional dipolar scattering with a tilt
• Total angular momentum representation for atom-molecule collisions in electric fields
• Observing dipolar confinement-induced resonances in waveguides
• Collisions of bosonic ultracold polar molecules in microwave traps
• Near-threshold bound states of the dipole-dipole interaction
• Giant enhancement of photodissociation of polar dimers in electric fields
• The effect of anisotropic exchange interactions and short-range phenomena on superfluidity in a homogeneous dipolar Fermi gas