Mott Transition in Lattice Boson Models

@article{Fernndez2006MottTI,
  title={Mott Transition in Lattice Boson Models},
  author={Roberto Fern{\'a}ndez and J{\"u}rg Fr{\"o}hlich and Daniel Ueltschi},
  journal={Communications in Mathematical Physics},
  year={2006},
  volume={266},
  pages={777-795}
}
  • Roberto Fernández, Jürg Fröhlich, Daniel Ueltschi
  • Published 2006
  • Physics, Mathematics
  • Communications in Mathematical Physics
  • We use mathematically rigorous perturbation theory to study the transition between the Mott insulator and the conjectured Bose-Einstein condensate in a hard-core Bose-Hubbard model. The critical line is established to lowest order in the tunneling amplitude. 

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