Evolution of dimerized phase in a one-dimensional correlated electron system

@article{Ding2015EvolutionOD,
  title={Evolution of dimerized phase in a one-dimensional correlated electron system},
  author={H. Ding and J. Zhang},
  journal={The European Physical Journal B},
  year={2015},
  volume={88},
  pages={1-6}
}
  • H. Ding, J. Zhang
  • Published 2015
  • Physics
  • The European Physical Journal B
  • The one-dimensional half-filled correlated electron system with on-site (U), nearest-neighbor (V) and pair hopping (Y) repulsions is studied analytically at weak coupling, combined the Abelian bosonization with renormalization group methods. The corresponding ground-state phase diagram consists of three insulating phases, a charge-density-wave (CDW) phase for U − 2V< − 2Y, a spin-density-wave (SDW) phase for U − 2V> 2Y, and a bond-charge-density-wave (BOW) phase for | U − 2V | < 2Y. The pair… CONTINUE READING
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