Influence of electron-electron scattering on shot noise in diffusive contacts

Nagaev, K. É.

doi:10.1103/physrevb.52.4740

Cited by 175 publications

(219 citation statements)

References 5 publications

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“…(226). Nagaev [248], assuming a specific form of K(ω), found that the shot noise power is enhanced due to the electron-electron interactions compared to the non-interacting result.…”

Section: Interaction Effectsmentioning

confidence: 99%

“…Furthermore, phonons are assumed to be in equilibrium at the lattice temperature. This approach was taken by Nagaev, who calculates the effects of electron-phonon scattering on the shot noise of metallic diffusive wires for the case when electron-electron scattering is negligible [75], and subsequently for the case of hot electrons [248]. In addition, careful numerical studies of the role of the electron-phonon interaction in noise in metallic diffusive conductors (starting from the Boltzmann-Langevin approach) are performed by Naveh, Averin, and Likharev [256], and Naveh [145].…”

Section: Interaction Effectsmentioning

confidence: 99%

“…The results depend on the relation between temperature, applied voltage, and electronphonon interaction constant, and we refer the reader to Refs. [75,248,256,145] for details. The only feature we want to mention here is that for constant voltage eV ≫ k B T and strong electron-phonon scattering, the Fano factor decreases with the length of the wire.…”

Section: Interaction Effectsmentioning

confidence: 99%

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Shot noise in mesoscopic conductors

2000

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Theoretical and experimental work concerned with dynamic fluctuations has developed into a very active and fascinating subfield of mesoscopic physics. We present a review of this development focusing on shot noise in small electric conductors. Shot noise is a consequence of the quantization of charge. It can be used to obtain information on a system which is not available through conductance measurements. In particular, shot noise experiments can determine the charge and statistics of the quasiparticles relevant for transport, and reveal information on the potential profile and internal energy scales of mesoscopic systems. Shot noise is generally more sensitive to the effects of electron-electron interactions than the average conductance. We present a discussion based on the conceptually transparent scattering approach and on the classical Langevin and BoltzmannLangevin methods; in addition a discussion of results which cannot be obtained by these methods is provided. We conclude the review by pointing out a number of unsolved problems and an outlook on the likely future development of the field.

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“…(226). Nagaev [248], assuming a specific form of K(ω), found that the shot noise power is enhanced due to the electron-electron interactions compared to the non-interacting result.…”

Section: Interaction Effectsmentioning

confidence: 99%

Section: Interaction Effectsmentioning

confidence: 99%

Section: Interaction Effectsmentioning

confidence: 99%

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Shot noise in mesoscopic conductors

2000

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“…36,37 By taking into account the thermopowers of the junctions, but in the limit S 2 Ӷ L 0 , the change in the electron temperature in the island is found as…”

Section: ͑15͒mentioning

confidence: 99%

Thermoelectric effects in magnetic nanostructures

et al. 2009

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We model and evaluate the Peltier and Seebeck effects in magnetic multilayer nanostructures by a finiteelement theory of thermoelectric properties. We present analytical expressions for the thermopower and the current-induced temperature changes due to Peltier cooling/heating. The thermopower of a magnetic element is in general spin polarized, leading to spin-heat coupling effects. Thermoelectric effects in spin valves depend on the relative alignment of the magnetization directions and are sensitive to spin-flip scattering as well as inelastic collisions in the normal-metal spacer.

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“…Under these conditions, a temperature profile over the wire develops. The local temperature satisfies the equation [28] …”

Section: B Intermediate Lengthmentioning

confidence: 99%

Coherent transport in disordered metals out of equilibrium

Schwab

Raimondi

2001

Eur. Phys. J. B

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We derive a formula for the quantum corrections to the electrical current for a metal out of equilibrium. In the limit of linear current-voltage characteristics our formula reproduces the well known Altshuler-Aronov correction to the conductivity of a disordered metal. The current formula is obtained by a direct diagrammatic approach, and is shown to agree with what is obtained within the Keldysh formulation of the non-linear sigma model. As an application we calculate the current of a mesoscopic wire. We find a current-voltage characteristics that scales with eV /kT , and calculate the different scaling curves for a wire in the hot-electron regime and in the regime of full non-equilibrium.

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Influence of electron-electron scattering on shot noise in diffusive contacts

Cited by 175 publications

References 5 publications

Shot noise in mesoscopic conductors

Shot noise in mesoscopic conductors

Thermoelectric effects in magnetic nanostructures

Coherent transport in disordered metals out of equilibrium

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