期刊
PHYSICAL REVIEW LETTERS
卷 85, 期 3, 页码 487-490出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.85.487
关键词
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We consider a gas of attractively interacting cold fermionic atoms which are manipulated by laser light. The laser induces a transition from an internal state with large negative scattering length to one with almost no interactions. The process can be viewed as a tunneling of atomic population between the superconducting and the normal states of the gas. It can be used to detect the BCS ground state and to measure the superconducting order parameter.
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