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First-order phase transitions in optical lattices with tunable three-body onsite interaction

A Safavi-Naini1, J von Stecher, B Capogrosso-Sansone

  • 1ITAMP, Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts 02138, USA.

Physical Review Letters
|October 4, 2012
PubMed
Summary

Adding a three-body interaction to the Bose-Hubbard model eliminates the n=2 Mott lobe. This interaction drives first-order phase transitions between different Mott insulator and superfluid states.

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