Supercurrents in an atom-molecule gas in an optical ring lattice

Details Supercurrents in an atom-molecule gas in an optical ring lattice Supercurrents in an atom-molecule gas in an optical ring lattice

2007-06-11

arxiv.org/abs/0706.1465v1

Physics

Quantum Physics

5 pages, 4 figures, submitted to PRA

Scientific paper

Atom and molecule currents in a Fermi gas in the neighborhood of a Feshbach
resonance are studied in a one-dimensional optical ring lattice by directly
diagonalizing small models. A rotational analogy of flux quantization is used
to show that fraction of the current is carried by particles with twice the
mass of an atom, which suggests pairing and superfluidity.

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