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arXiv · 1304.4835

Criticality in the Bose-Hubbard model with three-body repulsion

Tomasz Sowiński·Ravindra W. Chhajlany·Omjyoti Dutta·Luca Tagliacozzo·Maciej Lewenstein
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Abstract

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.

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Tomasz Sowiński, Ravindra W. Chhajlany, Omjyoti Dutta, Luca Tagliacozzo, Maciej Lewenstein. 2015-10-26. Criticality in the Bose-Hubbard model with three-body repulsion. https://doi.org/10.1103/physreva.92.043615

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