Chiral spin density wave, spin-charge-Chern liquid and d+id superconductivity in 1/4-doped correlated electronic systems on the honeycomb lattice

@article{Jiang2014ChiralSD,
  title={Chiral spin density wave, spin-charge-Chern liquid and d+id superconductivity in 1/4-doped correlated electronic systems on the honeycomb lattice},
  author={Shenghan Jiang and Andrej Mesaros and Ying Ran},
  journal={Physical Review X},
  year={2014},
  volume={4},
  pages={031040}
}
  • Shenghan Jiang, Andrej Mesaros, Ying Ran
  • Published 2014
  • Physics
  • Physical Review X
  • nite size systems (up to 32 sites) to sharply distinguish dierent quantum phases. Our results show that for 1 . U=t < 40 in the Hubbard model and for 0:1 < J=t < 0:80(2) in the t-J model, the quantum ground state is either a chiral spin density wave state or a spin-charge-Chern liquid, but not a d+id superconductor. However, in the t-J model, upon increasing J the system goes through a rst-order phase transition at J=t = 0:80(2) into the d+id superconductor. Here the spin-charge-Chern liquid… CONTINUE READING

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