Diffraction of a superfluid fermi gas by an atomic grating

C. P. Search; H. Pu; W. Zhang; P. Meystre

Diffraction of a superfluid fermi gas by an atomic grating

C. P. Search, H. Pu, W. Zhang, P. Meystre

Physics

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

The possibility of using atom optics techniques to directly study the coherence present in a gas of fermionic atoms that went through Bardeen-Cooper-Schrieffer (BCS) transition was studied. An atomic grating generated by a pulsed standing-wave laser field was proposed to manipulate the superfluid state in a quantum degenerate gas of fermionic atoms. It was shown that density oscillations of the gas caused by the atomic grating exhibited a much longer coherence time than in the normal Fermi gas in the presence of atomic Cooper pairs.

Original language	English (US)
Article number	110401
Pages (from-to)	1104011-1104014
Number of pages	4
Journal	Physical review letters
Volume	88
Issue number	11
State	Published - Mar 18 2002

ASJC Scopus subject areas

General Physics and Astronomy

Cite this

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abstract = "The possibility of using atom optics techniques to directly study the coherence present in a gas of fermionic atoms that went through Bardeen-Cooper-Schrieffer (BCS) transition was studied. An atomic grating generated by a pulsed standing-wave laser field was proposed to manipulate the superfluid state in a quantum degenerate gas of fermionic atoms. It was shown that density oscillations of the gas caused by the atomic grating exhibited a much longer coherence time than in the normal Fermi gas in the presence of atomic Cooper pairs.",

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AU - Search, C. P.

AU - Pu, H.

AU - Zhang, W.

AU - Meystre, P.

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Y1 - 2002/3/18

N2 - The possibility of using atom optics techniques to directly study the coherence present in a gas of fermionic atoms that went through Bardeen-Cooper-Schrieffer (BCS) transition was studied. An atomic grating generated by a pulsed standing-wave laser field was proposed to manipulate the superfluid state in a quantum degenerate gas of fermionic atoms. It was shown that density oscillations of the gas caused by the atomic grating exhibited a much longer coherence time than in the normal Fermi gas in the presence of atomic Cooper pairs.

AB - The possibility of using atom optics techniques to directly study the coherence present in a gas of fermionic atoms that went through Bardeen-Cooper-Schrieffer (BCS) transition was studied. An atomic grating generated by a pulsed standing-wave laser field was proposed to manipulate the superfluid state in a quantum degenerate gas of fermionic atoms. It was shown that density oscillations of the gas caused by the atomic grating exhibited a much longer coherence time than in the normal Fermi gas in the presence of atomic Cooper pairs.

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AN - SCOPUS:0037128786

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ER -

Diffraction of a superfluid fermi gas by an atomic grating

Abstract

ASJC Scopus subject areas

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