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Charge fluctuations in the edge states of normal-superconducting hybrid nano-structures

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Published in Journal of Physics. Condensed Matter. 1999, vol. 11, no. 50, p. 100045-10197, L563-L568
Abstract In this work we show how to calculate the equilibrium and non-equilibrium charge fluctuations in a gated normal mesoscopic conductor which is attached to one normal lead and one superconducting lead. We then consider an example where the structure is placed in a high magnetic field, such that the transport is dominated by edge states. We calculate the equilibrium and non-equilibrium charge fluctuations in the gate, for a single edge state, comparing our results to those for the same system, but with two normal leads. We then consider the specific example of a quantum point contact and calculate the charge fluctuations in the gate for more than one edge state.
Keywords NanostructuresMesoscopic systemsStrong fieldsMagnetic field effectsTransport processesNon equilibrium conditionsElectron charge distributionFluctuationsEdge effectSuperconductorsQuantum dotsTheoretical study
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Note Congrès Workshop on Effective Interactions and Phase Transitions in Colloidal Suspensions, Lyon, FRANCE (28/06/1999)
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MARTIN, Andréw Mccallum, GRAMESPACHER, Thomas, BUTTIKER, Markus. Charge fluctuations in the edge states of normal-superconducting hybrid nano-structures. In: Journal of Physics. Condensed Matter, 1999, vol. 11, n° 50, p. 100045-10197, L563-L568. https://archive-ouverte.unige.ch/unige:4233

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Deposited on : 2009-11-30

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