Loss-induced phase separation and pairing for three-species atomic lattice fermions

A. Privitera, I. Titvinidze, S. Y. Chang, S. Diehl, A. J. Daley, W. Hofstetter

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


We study the physics of a three-component Fermi gas in an optical lattice, in the presence of a three-body constraint arising due to strong three-body loss. Using analytical and numerical techniques, we show that an atomic color superfluid phase is formed in this system and undergoes phase separation between unpaired fermions and superfluid pairs. This phase separation survives well above the critical temperature, giving a clear experimental signature of the three-body constraint.

Original languageEnglish
Article number021601
Number of pages4
JournalPhysical Review A
Issue number2
Publication statusPublished - 3 Aug 2011
Externally publishedYes


  • Fermi gas
  • optical lattices
  • atomic color superfluid phase


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