Fano resonances in a three-terminal nanodevice

Details Fano resonances in a three-terminal nanodevice Fano resonances in a three-terminal nanodevice

2004-03-11

arxiv.org/abs/cond-mat/0403296v2

J. Phys.: Condens. Matter 16 (2004) 4315--4323

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

11 pages, 5 figures, 2 equations are added, misprints in 5 equations are removed, published in Journal of Physics: Condensed M

Scientific paper

10.1088/0953-8984/16/24/013

The electron transport through a quantum sphere with three one-dimensional wires attached to it is investigated. An explicit form for the transmission coefficient as a function of the electron energy is found from the first principles. The asymmetric Fano resonances are detected in transmission of the system. The collapse of the resonances is shown to appear under certain conditions. A two-terminal nanodevice with an additional gate lead is studied using the developed approach. Additional resonances and minima of transmission are indicated in the device.

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