How to increase a transmission with weak localization ? A geometrical effect

Details How to increase a transmission with weak localization ? A geometrical effect How to increase a transmission with weak localization ? A geometrical effect

2004-04-29

arxiv.org/abs/cond-mat/0404716v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, LaTeX, 7 eps figures, contribution to the proceedings of the XXXIXth Moriond conference, La Thuile, Italy, January 20

Scientific paper

We study the quantum transport in multiterminal networks of
quasi-one-dimensional diffusive wires. When calculating the weak localization
correction to the conductances, we show that the Cooperon must be properly
weighted over each wire. This can even change the sign of the weak localization
correction in certain geometries.

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