Topological transition of Dirac points in a microwave experiment.

@article{Bellec2013TopologicalTO,
  title={Topological transition of Dirac points in a microwave experiment.},
  author={Matthieu Bellec and U. Kuhl and G. Montambaux and F. Mortessagne},
  journal={Physical review letters},
  year={2013},
  volume={110 3},
  pages={
          033902
        }
}
  • Matthieu Bellec, U. Kuhl, +1 author F. Mortessagne
  • Published 2013
  • Medicine, Physics
  • Physical review letters
  • By means of a microwave tight-binding analogue experiment of a graphenelike lattice, we observe a topological transition between a phase with a pointlike band gap characteristic of massless Dirac fermions and a gapped phase. By applying a controlled anisotropy on the structure, we investigate the transition directly via density of states measurements. The wave function associated with each eigenvalue is mapped and reveals new states at the Dirac point, localized on the armchair edges. We find… CONTINUE READING
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