Collapse and revival of the monopole mode of a degenerate Bose gas in an isotropic harmonic trap

2016/08/31 by C. J. E. Straatsma, Cameron Straatsma, V. E. Colussi +11
Physics and Astronomy · #Atomic and Subatomic Physics Research #Bose gas #Bose–Einstein condensate #Cold Atom Physics and Bose-Einstein Condensates #Computer science #Condensed matter physics #Degenerate energy levels #Harmonic #Isotropy #Magnetic monopole #Mode (computer interface) #Physics #Quantum electrodynamics #Quantum mechanics #Quantum, superfluid, helium dynamics #Trap (plumbing) #cond-mat.quant-gas #cond-mat.stat-mech

paper · pdf · doi:10.1103/physreva.94.043640

published as Phys. Rev. A 94, 043640 (2016) · Minor revisions and addition of journal reference and DOI

openalex publication_date 2016/10/24 · arxiv created 2016/10/26 · arxiv updated 2016/11/02 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

Experimental observation confirms the in-phase and out-of-phase eigenmodes description of the temperature dependence in the oscillations of an excited Bose-Einstein condensate, where a truly isotropic confining potential helps to observe the collapse and revival of the monopole mode of the finite-temperature gas.

Citations

• Projected Gross-Pitaevskii equation theory of finite-temperature collective modes for a trapped Bose gas
• Response of Bose-Einstein condensates to external perturbations at finite temperature
• Collective Excitations of a Bose-Einstein Condensate in a Dilute Gas
• Damping of hydrodynamic modes in a trapped Bose gas above the Bose-Einstein transition temperature
• Observation of Bose-Einstein Condensation in a Dilute Atomic Vapor
• Numerical method for evolving the projected Gross-Pitaevskii equation
• A gapless theory of Bose-Einstein condensation in dilute gases at finite temperature
• Bose-Einstein Condensation in a Gas of Sodium Atoms