Physics – Condensed Matter – Quantum Gases
Scientific paper
2010-09-26
Phys. Rev. A 83, 013602 (2011)
Physics
Condensed Matter
Quantum Gases
6 pages, 3 figures
Scientific paper
10.1103/PhysRevA.83.013602
In the strong interaction limit, attractive fermions with $N$-component hyperfine states in a one-dimensional waveguide form unbreakable bound cluster states. We demonstrate that the ground state of strongly attractive SU($N$) Fermi gases can be effectively described by a super Tonks-Girardeau gas-like state composed of bosonic cluster states with strongly attractive cluster-cluster interaction for even $N$, and a Fermi duality of a super Tonks-Girardeau gas-like state composed of fermionic cluster states with weakly interacting cluster-cluster p-wave interaction for odd $N$.
Batchelor Murray T.
Chen Shu
Guan X.-W.
Yin Xiangguo
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