Planning the electron traffic in semiconductor networks: A mesoscopic analog of the Braess paradox encountered in road networks

Huant, S.;Baltazar, S.;Lui, P.;Sellier, H.;Pala, M.;et.al.
(2013) AIP Conference Proceedings — Location: Zurich, Switzerland (29.July.2012)

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Authors
  • Huant, S.CNRS, Grenoble
    Author
  • Baltazar, S.Minatec, Grenoble
    Author
  • Lui, P.CNRS, Grenoble
    Author
  • Sellier, H.CNRS, Grenoble
    Author
  • Rodrigues Martins, FredericoUCLouvain
    Author
  • Author
  • Author
  • Pala, M.Minatec, Grenoble
    Author
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Abstract
By combining quantum simulations of electron transport and scanning-gate microscopy, we have shown that the current transmitted through a semiconductor two-path rectangular network in the ballistic and coherent regimes of transport can be paradoxically degraded by adding a third path to the network. This is analogous to the Braess paradox occurring in classical networks. Simulations reported here enlighten the role played by congestion in the network.
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Citations

Huant, S., Baltazar, S., Lui, P., Sellier, H., Rodrigues Martins, F., Hackens, B., Bayot, V., Wallart, X., Desplanque, L., & Pala, M. (2013). Planning the electron traffic in semiconductor networks: A mesoscopic analog of the Braess paradox encountered in road networks. A I P Conference Proceedings, 1566(229), 229. https://doi.org/10.1063/1.4848369 (Original work published 2013)