A new transport phenomenon in nanostructures: a mesoscopic analog of the Braess paradox encountered in road networks

Pala, Marco;Sellier, Hermann;Hackens, Benoît;Rodrigues Martins, Frederico;Huant, Serge;et.al.
(2012) Nanoscale Research Letters — Vol. 7, n° 472, p. 1-4 (2012)

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Authors
  • Pala, Marco
    Author
  • Sellier, Hermann
    Author
  • Hackens, BenoîtUCLouvain
    Author
  • Rodrigues Martins, Frederico
    Author
  • Bayot, VincentUCLouvain
    Author
  • Huant, Serge
    Author
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Abstract
The Braess paradox, known for traffic and other classical networks, lies in the fact that adding a new route to a congested network in an attempt to relieve congestion can degrade counterintuitively the overall network performance. Recently, we have extended the concept of the Braess paradox to semiconductor mesoscopic networks, whose transport properties are governed by quantum physics. In this paper, we demonstrate theoretically that, alike in classical systems, congestion plays a key role in the occurrence of a Braess paradox in mesoscopic networks.
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Pala, M., Sellier, H., Hackens, B., Rodrigues Martins, F., Bayot, V., & Huant, S. (2012). A new transport phenomenon in nanostructures: a mesoscopic analog of the Braess paradox encountered in road networks. Nanoscale Research Letters, 7(472), 1-4. https://doi.org/10.1186/1556-276X-7-472 (Original work published 2012)