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Dynamic conductance and quantum noise in mesoscopic conductors

Published in Journal of Mathematical Physics. 1996, vol. 37, no. 10, p. 4793-4815
Abstract We present results for the dc conductance, the ac conductance, and the current–current fluctuation spectra of mesoscopic, phase-coherent conductors based on a second quantization approach to scattering and a self-consistent potential approach. A second quantization approach permits an investigation of statistical effects due to the symmetry of the wave functions under exchange of particles. A self-consistent approach is needed to enforce overall charge conservation and to obtain current conserving expressions for frequency-dependent conductances and fluctuation spectra. For the particular example of a mesoscopic capacitor we present microscopic expressions for the electrochemical capacitance and the charge relaxation resistance.
Keywords Quantum NoiseElectric conductorsElectric conductivitySecond QuantizationFluctuationsCapacitorsDirect currentAlternating current
Note Special Issue: Mesoscopic Physics
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BUTTIKER, Markus. Dynamic conductance and quantum noise in mesoscopic conductors. In: Journal of mathematical physics, 1996, vol. 37, n° 10, p. 4793-4815. doi: 10.1063/1.531670 https://archive-ouverte.unige.ch/unige:4213

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Deposited on : 2009-11-30

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