Superfluid transitions in bosonic atom-molecule mixtures near Feshbach resonance

Abstract

We study bosonic atoms near a Feshbach resonance, and predict that in addition to a standard normal and atomic superfluid phases, this system generically exhibits a distinct phase of matter: a molecular superfluid, where molecules are superfluid while atoms are not. We explore zero- and finite-temperature properties of the molecular superfluid (a bosonic, strong-coupling analog of a BCS superconductor), and study quantum and classical phase transitions between the normal, molecular superfluid and atomic superfluid states.

4 revtex pages, 3 eps figures; submitted to PRL

References in corpus (2)

• Creation of ultracold molecules from a Fermi gas of atoms
• Atom--Molecule Coherence in a Bose-Einstein Condensate

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