Planning The Electron Traffic In Semiconductor Networks: A Mesoscopic Analog Of The Braess Paradox Encountered In Road Networks

被引:0
|
作者
Huant, S. [1 ,2 ]
Baltazar, S. [3 ,6 ]
Liu, P. [1 ,2 ]
Sellier, H. [1 ,2 ]
Hackens, B. [4 ]
Martins, F. [4 ]
Bayot, V. [1 ,2 ,4 ]
Wallart, X. [5 ]
Desplanque, L. [5 ]
Pala, M. G. [3 ]
机构
[1] CNRS, Inst Neel, BP 166, F-38042 Grenoble, France
[2] Univ Grenoble 1, F-38041 Grenoble, France
[3] Grenoble INP, IMEP LAHC, Minatec, F-38016 Grenoble, France
[4] Catholic Univ Louvain, IMCN, NAPS, Louvain, Belgium
[5] UST Lille, IEMN, CNRS, UMR 8520, F-59652 Villeneuve Dascq, France
[6] Univ Santiago, Dept Fis, Santiago 9170124, Chile
来源
PHYSICS OF SEMICONDUCTORS | 2013年 / 1566卷
关键词
Braess paradox; semiconductor networks; scanning-gate microscopy; GaInAs;
D O I
10.1063/1.4848369
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
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.
引用
收藏
页码:229 / +
页数:2
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