Ultracold mixtures of metastable He and Rb: Scattering lengths fromab initiocalculations and thermalization measurements

2014/04/30 by Steven Knoop, S. Knoop, Piotr S. Żuchowski +12 · 15 citations
Physics and Astronomy · #Ab initio #Ab initio quantum chemistry methods #Atomic and Subatomic Physics Research #Atomic physics #Cold Atom Physics and Bose-Einstein Condensates #Metastability #Molecular physics #Molecule #Physics #Quantum mechanics #Quantum, superfluid, helium dynamics #Scattering #Thermalisation #cond-mat.quant-gas #physics.atom-ph #quant-ph

paper · pdf · doi:10.1103/physreva.90.022709

published in Physical Review A 90(2) (American Physical Society) · 11 pages, 11 figures, accepted for publication in Phys. Rev. A

arxiv created 2014/07/25 · openalex publication_date 2014/08/13 · arxiv updated 2014/08/14 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

State-of-the-art a\phantom\rule00exb i\phantom\rule00exn\phantom\rule00exi\phantom\rule00ext\phantom\rule00exi\phantom\rule00exo quantum calculations and thermalization measurements have been made on an ultracold mixture of metastable helium and rubidium in a magnetic trap, allowing for the first time to quantitatively predict the scattering length for a system containing a heavy, many-electron atom.

Citations

• Efimov states of heavy impurities in a Bose-Einstein condensate
• Long-range interactions of metastable helium atoms
• Higher excitations in coupled-cluster theory
• Sympathetic Cooling with Two Atomic Species in an Optical Trap
• The calculation of small molecular interactions by the differences of separate total energies. Some procedures with reduced errors

Cited by

• Ab initioproperties of the NaLi molecule in thea3Σ+electronic state
• Spin-state-controlled chemi-ionization reactions between metastable helium atoms and ground-state lithium atoms