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    • Fragmented condensation in Bose–Hubbard trimers with tunable tunnelling 

      Gallemí, A.; Guilleumas, M.; Martorell, J.; Mayol, R.; Polls, A.; Juliá-Díaz, Bruno (IOP, 2015-07-15)
      Article
      Open Access
      We consider a Bose–Hubbard (BH) trimer, i.e. an ultracold Bose gas populating three quantum states. The latter can be either different sites of a triple-well potential or three internal states of the atoms. The bosons can ...