Semi-Classical Theory of Magnetoresistance Anomalies in Ballistic Multi-Probe Conductors

Beenakker, C. W. J.; Houten, H. van

doi:10.1007/978-1-4684-7412-1_5

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“…Nanobridges with a width comparable to the Fermi wavelength have been found to conform to the Landauer conductance quantization theory [3] (see [4,5] for a review). Such a nanobridge can be formed by means of negatively biased metallic gates on top of a semiconductor heterostructure confining a two-dimensional electron gas.…”

Section: Introductionmentioning

confidence: 99%

Nonlocal dynamical response of a ballistic nanobridge

Гуревич

Козуб²,

Muradov³

2009

J. Phys.: Condens. Matter

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The nonlocal dynamical response of a ballistic nanobridge to an applied potential oscillating with frequency ω is considered. It is shown that, in addition to the active conductance, there is also a reactive contribution. This contribution turns out to be inductive for relatively small frequencies ω. For bigger frequencies the current response is either inductive or capacitive, depending on the ratio of ωL/v(F), where L is the length of the bridge and v(F) is the Fermi velocity.

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Section: Introductionmentioning

confidence: 99%