Symmetry breaking through a sequence of transitions in a driven diffusive system

@article{Clincy2001SymmetryBT,
  title={Symmetry breaking through a sequence of transitions in a driven diffusive system},
  author={M. Clincy and Martin R. Evans and David Mukamel},
  journal={Journal of Physics A},
  year={2001},
  volume={34},
  pages={9923-9937}
}
In this paper we study a two-species driven diffusive system with open boundaries that exhibits spontaneous symmetry breaking in one dimension. In a symmetry broken state the currents of the two species are not equal, although the dynamics is symmetric. A mean-field theory predicts a sequence of two transitions from a strong symmetry broken state through an intermediate symmetry broken state to a symmetric state. However, a recent numerical study has questioned the existence of the intermediate… 
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