Zoo of quantum phases and excitations of cold bosonic atoms in optical lattices.

@article{Alon2005ZooOQ,
  title={Zoo of quantum phases and excitations of cold bosonic atoms in optical lattices.},
  author={Ofir E. Alon and Alexej I. Streltsov and Lorenz S. Cederbaum},
  journal={Physical review letters},
  year={2005},
  volume={95 3},
  pages={
          030405
        }
}
  • Ofir E. Alon, Alexej I. Streltsov, Lorenz S. Cederbaum
  • Published 2005
  • Physics, Medicine
  • Physical review letters
  • Quantum phases and phase transitions of weakly to strongly interacting bosonic atoms in deep to shallow optical lattices are described by a single multiorbital mean-field approach in real space. For weakly interacting bosons in one dimension, the critical value of the superfluid to Mott insulator (MI) transition found is in excellent agreement with many-body treatments of the Bose-Hubbard model. For strongly interacting bosons, (i) additional MI phases appear, for which two (or more) atoms… CONTINUE READING

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