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

被引：8
|
作者：
Wang, T. [1 ]
Javanainen, J.
Yelin, S. F.
机构：
[1] Univ Connecticut, Dept Phys, Storrs, CT 06269 USA
[2] Harvard Smithsonian Ctr Astrophys, ITAMP, Cambridge, MA 02138 USA
来源：
PHYSICAL REVIEW A | 2007年 / 76卷 / 01期
关键词：
D O I：
10.1103/PhysRevA.76.011601
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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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页数：4
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