Cooper-pair coherence in a superfluid Fermi-gas of atoms

Details Cooper-pair coherence in a superfluid Fermi-gas of atoms Cooper-pair coherence in a superfluid Fermi-gas of atoms

2001-09-03

arxiv.org/abs/cond-mat/0109021v1

Journal of Physics B,34, 4763 (2001)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

10 pages, 5 figures. Submitted to J. Phys. B as a proceedings of the Salerno 2001 BEC workshop

Scientific paper

10.1088/0953-4075/34/23/319

We study the coherence properties of a trapped two-component gas of fermionic atoms below the BCS critical temperature. We propose an optical method to investigate the Cooper-pair coherence across different regions of the superfluid. Near-resonant laser light is used to induce transitions between the two coupled hyperfine states. The beam is split so that it probes two spatially separate regions of the gas. Absorption of the light in this interferometric scheme depends on the Cooper-pair coherence between the two regions.

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