Dysprosium Feshbach resonances are not uniformly chaotic: level repulsion is stronger for states with mid-range differential magnetic moments than for low-moment states.
A dipolar Bose-Bose mixture of Dysprosium isotopes with controllable interspecies interactions
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abstract
We report on the realization of a quantum-degenerate Bose-Bose mixture of 162Dy and 164Dy. Owing to the near-identical mass and polarizability of the two isotopes, the mixture thermalizes efficiently, with evaporation trajectories closely following those of the single-isotope case. Using a broad interspecies Feshbach resonance, we explore a miscible-immiscible transition between the two Bose-Einstein condensates. The tunability of the interspecies interaction, combined with the large magnetic dipole moment of Dy, makes this platform well suited for exploring dipolar effects in ultracold mixtures, including multi-component supersolidity.
fields
cond-mat.quant-gas 1years
2026 1verdicts
CONDITIONAL 1representative citing papers
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Coexisting Regular and Chaotic Dynamics in the Dysprosium Feshbach Spectrum
Dysprosium Feshbach resonances are not uniformly chaotic: level repulsion is stronger for states with mid-range differential magnetic moments than for low-moment states.