Equilibration of a finite temperature binary Bose gas formed by population transfer
arXiv:1407.0826 · doi:10.1103/PhysRevA.90.033625
Abstract
We consider an equilibrium single-species homogeneous Bose gas from which a proportion of the atoms are instantaneously and coherently transferred to a second species, thereby forming a binary Bose gas in a non-equilibrium initial state. We study the ensuing evolution towards a new equilibrium, mapping the dynamics and final equilibrium state out as a function of the population transfer and the interspecies interactions by means of classical field methods. While in certain regimes, the condensate fractions are largely unaffected by the population transfer process, in others, particularly for immiscible interactions, one or both condensate fractions are vastly reduced to a new equilibrium value.
4 figures, 9 pages
References in corpus (12)
- Oscillations and interactions of dark and dark-bright solitons in Bose-Einstein condensates
- Dynamics and statistical mechanics of ultra-cold Bose gases using c-field techniques
- Double species condensate with tunable interspecies interactions
- Finite Temperature Models of Bose-Einstein Condensation
- Dual-Species Bose-Einstein Condensate of Rb and Cs
- Production of a dual-species Bose-Einstein condensate of Rb and Cs atoms
- Controlling phase separation of a two-component Bose-Einstein condensate by confinement
- Spatially inhomogeneous phase evolution of a two-component Bose-Einstein condensate
- Faraday waves in binary non-miscible Bose-Einstein condensates
- Equilibrium solutions of immiscible two-species Bose-Einstein condensates in perturbed harmonic traps
- Stochastic Projected Gross-Pitaevskii equation for spinor and multi-component condensates
- Many-body physics in the classical-field description of a degenerate Bose gas