期刊
PHYSICAL REVIEW A
卷 80, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.80.063607
关键词
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资金
- FAPESP
- CNPq (Brazil)
- NSF
- Robert A. Welch Foundation [C-1669]
- Division Of Physics
- Direct For Mathematical & Physical Scien [0855606] Funding Source: National Science Foundation
We derive a generalized Gross-Pitaevskii density-functional equation appropriate to study the Bose-Einstein condensate (BEC) of dimers formed of singlet spin-half Fermi pairs in the BEC-unitarity crossover while the dimer-dimer scattering length a changes from 0 to infinity. Using an effective one-dimensional form of this equation, we study the phenomenon of dynamical self-trapping of a cigar-shaped Fermi superfluid in the entire BEC-unitarity crossover in a double-well potential. A simple two-mode model is constructed to provide analytical insights. We also discuss the consequence of our study on the self-trapping of an atomic BEC in a double-well potential.
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