Ising deconfinement transition between Feshbach-resonant superfluids.

  title={Ising deconfinement transition between Feshbach-resonant superfluids.},
  author={Satoshi Ejima and M. J. Bhaseen and Martin Hohenadler and Fabian H. L. Essler and Holger Fehske and Benjamin D. Simons},
  journal={Physical review letters},
  volume={106 1},
We investigate the phase diagram of bosons interacting via Feshbach-resonant pairing interactions in a one-dimensional lattice. Using large scale density matrix renormalization group and field theory techniques we explore the atomic and molecular correlations in this low-dimensional setting. We provide compelling evidence for an Ising deconfinement transition occurring between distinct superfluids and extract the Ising order parameter and correlation length of this unusual superfluid transition… 

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