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Title: Self-consistent theory of current and voltage noise in multimode ballistic conductors
Author: Bulashenko, Oleg
Rubí Capaceti, José Miguel
Keywords: Estructura electrònica
Superfícies (Física)
Propietats elèctriques
Electronic structure
Surfaces (Physics)
Electric properties
Issue Date: 2002
Publisher: The American Physical Society
Abstract: Electron transport in a self-consistent potential along a ballistic two-terminal conductor has been investigated. We have derived general formulas which describe the nonlinear current-voltage characteristics, differential conductance, and low-frequency current and voltage noise assuming an arbitrary distribution function and correlation properties of injected electrons. The analytical results have been obtained for a wide range of biases: from equilibrium to high values beyond the linear-response regime. The particular case of a three-dimensional Fermi-Dirac injection has been analyzed. We show that the Coulomb correlations are manifested in the negative excess voltage noise, i.e., the voltage fluctuations under high-field transport conditions can be less than in equilibrium.
Note: Reproducció digital del document publicat en format paper, proporcionada per PROLA i
It is part of: Physical Review B, 2002, vol. 66, núm. 4, p. 045310-1-045310-16
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ISSN: 0163-1829
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)

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