Efimov–van der Waals universality for ultracold atoms with positive scattering lengths

2016/09/30 by Paul M. A. Mestrom, P. M. A. Mestrom, Jia Wang +3
Computer Science · Physics and Astronomy · #Atomic physics #Bound state #Cold Atom Physics and Bose-Einstein Condensates #Diatomic molecule #Dimer #Excited state #Few-body systems #Molecule #Physics #Quantum #Quantum Information and Cryptography #Quantum mechanics #Scattering #Scattering length #Strong Light-Matter Interactions #Trimer #Ultracold atom #Universality (dynamical systems) #cond-mat.quant-gas #physics.atom-ph #van der Waals force

paper · pdf · doi:10.1103/physreva.95.032707

published as Phys. Rev. A 95, 032707 (2017) · 8 pages, 4 figures

arxiv created 2017/01/27 · openalex publication_date 2017/03/30 · arxiv updated 2017/04/05 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/06

Abstract

The universality of the three-body parameter in ultracold atomic systems is studied with a single-channel model when the scattering length is positive, where the parameter is found to be constrained by a variational principle and can be strongly affected by d-wave interactions.

Citations

• Observation of an Efimov-like trimer resonance in ultracold atom–dimer scattering
• Feshbach resonances in ultracold atomic and molecular collisions: threshold behaviour and suppression of poles in scattering lengths
• Feshbach resonances in ultracold gases
• Excited Thomas-Efimov levels in ultracold gases
• Ultracold atom-molecule collisions with fermionic atoms
• Atom-Dimer Scattering in a Three-Component Fermi Gas
• Evidence for Efimov quantum states in an ultracold gas of caesium atoms
• Limits on Universality in Ultracold Three-Boson Recombination
• Scattering Length Scaling Laws for Ultracold Three-Body Collisions