Journal
NANOSCALE RESEARCH LETTERS
Volume 7, Issue -, Pages -Publisher
SPRINGEROPEN
DOI: 10.1186/1556-276X-7-472
Keywords
Braess paradox; Mesoscopic physics; Congested networks; Scanning gate microscopy
Funding
- French Agence Nationale de la Recherche (MICATEC project)
- FRFC [2.4.546.08.F]
- FNRS [1.5.044.07.F]
- Belgian Science Policy [IAP-6/42]
- Grenoble Nanosciences Foundation (Scanning-Gate Nanoelectronics project)
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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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