Electron-phonon interaction in disordered metal films: The resistivity and electron dephasing rate

Ptitsina, N. G.; Chulkova, G.; Ilin, K.; Sergeev, Andrei; Pochinkov, F. S.; Gershenzon, E. M.; Gershenson, M. E.

doi:10.1103/physrevb.56.10089

Cited by 80 publications

(97 citation statements)

References 17 publications

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“…2 /D ≃ 1 − 10 ps, much smaller than the inelastic electron-phonon (τ ph ≃ 1 ns at 1 K in Nb) and electron-electron (τ ee ≃ 0.1 ns) interaction times [18].…”

mentioning

confidence: 84%

Experimental Observation of Bias-Dependent Nonlocal Andreev Reflection

et al. 2005

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We investigate transport through hybrid structures consisting of two normal metal leads connected via tunnel barriers to one common superconducting electrode. We find clear evidence for the occurrence of non-local Andreev reflection and elastic cotunneling through superconductor when the separation of the tunnel barrier is comparable to the superconducting coherence length. The probability of the two processes is energy dependent, with elastic cotunneling dominating at low energy and non-local Andreev reflection at higher energies. The energy scale of the crossover is found to be the Thouless energy of the superconductor, which indicates the phase coherence of the processes. Our results are relevant for the realization of recently proposed entangler devices.

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“…2 /D ≃ 1 − 10 ps, much smaller than the inelastic electron-phonon (τ ph ≃ 1 ns at 1 K in Nb) and electron-electron (τ ee ≃ 0.1 ns) interaction times [18].…”

mentioning

confidence: 84%

Experimental Observation of Bias-Dependent Nonlocal Andreev Reflection

et al. 2005

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“…The same function arises in studies of phonon effects on the conductivity of disordered metals 20,21 . Similarly, one may obtain a contribution of longitudinal phonons.…”

Section: Model Of the Electron-phonon Interactionmentioning

confidence: 99%

“…Following ref. 21 , we take the following material parameters: β = 1.4, p F = 1.3 · 10 −19 g · cm/s, and v t = 1.2 · 10 5 cm/s. Then Eq.…”

Section: Numerical Estimatesmentioning

confidence: 99%

Electron kinetics in isolated mesoscopic rings driven out of equilibrium

Yudson

Kravtsov

2003

Phys. Rev. B

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Kinetic theory of nonlinear current response to an external field is developed for mesoscopic normal metal rings threaded by a magnetic flux. General expressions for direct current (DC) are derived for a non-equilibrium regime. These expressions describe simultaneously a contribution to DC made by a non-equilibrium (external) field, as well as the contribution caused by interaction with intrinsic fields. Contributions of electron-electron and electron-phonon interactions to the direct current in a non-equilibrium systems are estimated. The kinetic equation for electrons in a pumped disordered metal ring is solved with taking into account the Coulomb and electron-phonon interactions. This gives an estimate of an overheating of the pumped electron system.

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“…14 for 2D electron gas in GaAs/Al x Ga 1Ϫx As heterostructure, DiTusa et al 20 for CuCr films, and Ptitsina et al 21 for Au, Al, Be, Nb, and NbC films. This T 2 behavior can be partly explained by the scattering from the static potential, but this is not the case, e.g., in thin gold film.…”

Section: Introductionmentioning

confidence: 99%

Electron–phonon heat transport and electronic thermal conductivity in heavily doped silicon-on-insulator film

Kivinen¹,

Savin²,

Zgirski³

et al. 2003

Journal of Applied Physics

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Articles you may be interested in Self-consistent calculations of inversion-layer mobility in highly doped silicon-on-insulator metal-oxide-semiconductor field-effect transistors J. Appl. Phys. 90, 866 (2001) Electron-phonon interaction and electronic thermal conductivity have been investigated in heavily doped silicon at subKelvin temperatures. The heat flow between electron and phonon systems is found to be proportional to T 6 . Utilization of a superconductor-semiconductor-superconductor thermometer enables a precise measurement of electron and substrate temperatures. The electronic thermal conductivity is consistent with the Wiedemann-Franz law.

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Electron-phonon interaction in disordered metal films: The resistivity and electron dephasing rate

Cited by 80 publications

References 17 publications

Experimental Observation of Bias-Dependent Nonlocal Andreev Reflection

Experimental Observation of Bias-Dependent Nonlocal Andreev Reflection

Electron kinetics in isolated mesoscopic rings driven out of equilibrium

Electron–phonon heat transport and electronic thermal conductivity in heavily doped silicon-on-insulator film

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