Criticality in the bose-hubbard model with three-body repulsion

Tomasz Sowiński, Ravindra W. Chhajlany, Omjyoti Dutta, Luca Tagliacozzo, MacIej Lewenstein

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


We study the attractive Bose-Hubbard model with a tunable, on-site three-body constraint. It is shown that the critical behavior of the system undergoing a phase transition from pair superfluid to superfluid at unit filling depends on the value of the three-body repulsion. In particular, we calculate critical exponents and the central charge governing the quantum phase transition.

Original languageEnglish
Article number043615
Number of pages6
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number4
Publication statusPublished - 20 Oct 2015


  • bose-hubbard model
  • criticality
  • superfluid


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