Miscibility in coupled dipolar and non-dipolar Bose-Einstein condensates

Abstract

We perform a full three-dimensional study on miscible-immiscible conditions for coupled dipolar and non-dipolar Bose-Einstein condensates (BEC), confined within anisotropic traps. Without loosing general miscibility aspects that can occur for two-component mixtures, our main focus was on the atomic erbium-dysprosium (${}^{168}$Er-${}^{164}$Dy) and dysprosium-dysprosium (${}^{164}$Dy-${}^{162}$Dy) mixtures. Our analysis for pure-dipolar BEC was limited to coupled systems confined in pancake-type traps, after considering a study on the stability regime of such systems. In case of non-dipolar systems with repulsive contact intneeractions we are able to extend the miscibility analysis to coupled systems with cigar-type symmetries. For a coupled condensate with repulsive inter- and intra-species two-body interactions, confined by an external harmonic trap, the transition from a miscible to an immiscible phase is verified to be much softer than in the case the system is confined by a symmetric hard-wall potential. Our results, presented by density plots, are pointing out the main role of the trap symmetry and inter-species interaction for the miscibility. A relevant parameter to measure the overlap between the two densities was defined and found appropriate to quantify the miscibility of a coupled system.

References in corpus (26)

• Many-Body Physics with Ultracold Gases
• Bose-Einstein condensation of chromium
• Bose-Einstein Condensation of Erbium
• Observation of quantum droplets in a strongly dipolar Bose gas
• Observation of mesoscopic crystalline structures in a two-dimensional Rydberg gas
• Strongly correlated 2D quantum phases with cold polar molecules: controlling the shape of the interaction potential
• Strong dipolar effects in a quantum ferrofluid
• Double species condensate with tunable interspecies interactions
• Stabilizing a purely dipolar quantum gas against collapse
• d-wave collapse and explosion of a dipolar Bose-Einstein condensate
• Radial and angular rotons in trapped dipolar gases
• Dual-Species Bose-Einstein Condensate of ${}^{87}$Rb and ${}^{133}$Cs
• C programs for solving the time-dependent Gross-Pitaevskii equation in a fully anisotropic trap
• Exact hydrodynamics of a trapped dipolar Bose-Einstein condensate
• Bose-Einstein condensation of alkaline earth atoms: ${}^{40}${Ca}
• Controlling phase separation of a two-component Bose-Einstein condensate by confinement
• Hybrid OpenMP/MPI programs for solving the time-dependent Gross-Pitaevskii equation in a fully anisotropic trap
• Faraday waves in binary non-miscible Bose-Einstein condensates
• CUDA programs for solving the time-dependent dipolar Gross-Pitaevskii equation in an anisotropic trap
• OpenMP, OpenMP/MPI, and CUDA/MPI C programs for solving the time-dependent dipolar Gross-Pitaevskii equation
• Localized modes of binary mixtures of Bose-Einstein condensates in nonlinear optical lattices
• Bose-Einstein condensation of 162Dy and 160Dy
• Equilibrium solutions of immiscible two-species Bose-Einstein condensates in perturbed harmonic traps
• Stability and structure of an anisotropically trapped dipolar Bose-Einstein condensate: angular and linear rotons
• Beyond Thomas--Fermi analysis of the density profiles of a miscible two-component Bose--Einstein condensate
• Domain walls and bubble-droplets in immiscible binary Bose gases

Cited by in corpus (19)

• Dipolar Quantum Mixtures of Erbium and Dysprosium Atoms
• Feshbach Resonances in an Erbium-Dysprosium Dipolar Mixture
• A two-species five-beam magneto-optical trap for highly magnetic Er and Dy atoms
• Vortex lattices in binary Bose-Einstein condensates with dipole-dipole interactions
• Study of the inter-species interactions in an ultracold dipolar mixture
• Spatial separation of rotating binary Bose-Einstein condensate by tuning the dipolar interactions
• Miscibility and stability of dipolar bosonic mixtures
• Stability of a Bose condensed mixture on a bubble trap
• Vortex generation in stirred binary Bose-Einstein condensates
• Breakup of rotating asymmetric quartic-quadratic trapped condensates
• Influence of Rashba spin-orbit and Rabi couplings on the miscibility and ground state phases of binary Bose-Einstein condensates
• Miscibility regimes in a ${}^{23}$Na-${}^{39}$K quantum mixture
• Self-consistent theory of a homogeneous binary Bose mixture with strong repulsive interspecies interaction
• Domain formation of modulation instability in spin-orbit-Rabi coupled Gross-Pitaevskii equation with cubic-quintic interactions
• Binary Mixture of quasi one dimensional dipolar Bose Einstein Condensates with tilted dipoles
• Moving Bose mixtures with dipole-dipole interactions
• Superfluidity and coherence in uniform dipolar binary Bose mixtures
• Rayleigh-Taylor, Kelvin-Helmholtz and immiscible to miscible quenching instabilities in binary Bose-Einstein condensates
• Anisotropic potential immersed in a dipolar Bose-Einstein condensate