Orbital currents in insulating and doped antiferromagnets

@article{Scheurer2018OrbitalCI,
  title={Orbital currents in insulating and doped antiferromagnets},
  author={M. Scheurer and S. Sachdev},
  journal={Physical Review B},
  year={2018},
  volume={98}
}
  • M. Scheurer, S. Sachdev
  • Published 2018
  • Physics
  • Physical Review B
  • We describe square lattice spin liquids which break time-reversal symmetry, while preserving translational symmetry. The states are distinguished by the manner in which they transform under mirror symmetries. All the states have non-zero scalar spin chirality, which implies the appearance of spontaneous orbital charge currents in the bulk (even in the insulator); but in some cases, orbital currents are non-zero only in a formulation with three orbitals per unit cell. The states are formulated… CONTINUE READING
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