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Abstract

We investigate the relationships between the nonlinear Ramsey interference pattern of the angular frequency and system parameters of fermi superfluid gase in unitarity regime in three limited cases. We find that the interaction between fermions and the difference in energy between double-well potentials have a significant influence on the angular frequency of the interference pattern. Through numerical simulation and theoretical analysis, the relationship between angular frequency of the interference pattern and the system parameters is given, and the numerical simulations and theoretical analyses are in good agreement.

Keywords:

Fermi superfluid gases/
nonlinear Ramsey interference

Authors and contacts

1.
Funds:Project supported by the National Natural Science Foundation of China (Grant Nos 10725521, 91021021, 10875098), the National Fundamental Research Program of China (Grant Nos. 2007CB814800, 2011CB921503), and the Natural Science Foundation of Northwest Normal University (Grant No. NWNU-KJCXGC-03-48).

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Cited By

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Vol. 61, Issue 19 - 2012-10-05

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