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Hatano-Nelson model with a periodic potential

Author

Listed:
  • F. Hébert
  • M. Schram
  • R. T. Scalettar
  • W. B. Chen
  • Z. Bai

Abstract

We study a generalisation of the Hatano-Nelson Hamiltonian in which a periodic modulation of the site energies is present in addition to the usual random distribution. The system can then become localized by disorder or develop a band gap, and the eigenspectrum shows a wide variety of topologies. We determine the phase diagram, and perform a finite size scaling analysis of the localization transition. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2011

Suggested Citation

  • F. Hébert & M. Schram & R. T. Scalettar & W. B. Chen & Z. Bai, 2011. "Hatano-Nelson model with a periodic potential," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 79(4), pages 465-471, February.
    • Handle: RePEc:spr:eurphb:v:79:y:2011:i:4:p:465-471
    DOI: 10.1140/epjb/e2011-10875-9
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