Thermal entanglement and lower bound of the geometric discord for a two-qutrit system with linear coupling and nonuniform external magnetic field

@article{Jaghouri2017ThermalEA,
  title={Thermal entanglement and lower bound of the geometric discord for a two-qutrit system with linear coupling and nonuniform external magnetic field},
  author={Hakimeh Jaghouri and Mohsen Sarbishaei and Kurosh Javidan},
  journal={Quantum Information Processing},
  year={2017},
  volume={16},
  pages={124}
}