Self-trapping and periodic modulation of Fermi gases in optical lattices | Zendy

Xueqiang Gou | Zendy; Ming Yan | Zendy; Ling Wei-Dong | Zendy; Hongyu Zhao | Zendy; Duan Wen-Shan | Zendy

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Self-trapping and periodic modulation of Fermi gases in optical lattices

Author(s) -

Xueqiang Gou,

Ming Yan,

Ling Wei-Dong,

Hongyu Zhao,

Duan Wen-Shan

Publication year - 2013

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.62.130308

Subject(s) - unitarity , physics , trapping , condensed matter physics , fermi gamma ray space telescope , oscillation (cell signaling) , coupling constant , optical lattice , scattering , fermi gas , modulation (music) , lattice (music) , quantum mechanics , superfluidity , ecology , acoustics , biology , electron , genetics

The change of phase space and periodic modulation of Fermi gas from the BCS to unitarity is investigated in one-dimensional optical lattice. Through controlling the scattering length and coupling constant in unitarity, we find the critical values (from the Josephson oscillation to the oscillating-phase-type self-trapping and from the latter to the self-trapping), at the same time, we also find the relationship between the critical coupling constants and the scattering length.

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