Saturation of strong electron–electron umklapp scattering at high temperature

Igor L. Aleiner; Oded Agam

doi:10.1016/j.aop.2017.08.017

Saturation of strong electron–electron umklapp scattering at high temperature

Igor L. Aleiner^*, Oded Agam

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

We consider clean metals, at finite temperature, in which the inelastic rate, ħ∕τ_ee, can become of the order of, or larger, than the band splitting energy. We show that in such systems, contrary to the common knowledge, the umklapp scattering rate becomes independent of both τ_ee and the temperature T, in three dimensional systems. We discuss the relation of this phenomenon to the saturation of resistivity at high temperature.

Original language	English
Pages (from-to)	716-728
Number of pages	13
Journal	Annals of Physics
Volume	385
DOIs	https://doi.org/10.1016/j.aop.2017.08.017
State	Published - Oct 2017

Bibliographical note

Publisher Copyright:
© 2017 Elsevier Inc.

Keywords

A15 compounds
Resistivity saturation
Umklapp scattering

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10.1016/j.aop.2017.08.017

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abstract = "We consider clean metals, at finite temperature, in which the inelastic rate, ħ∕τee, can become of the order of, or larger, than the band splitting energy. We show that in such systems, contrary to the common knowledge, the umklapp scattering rate becomes independent of both τee and the temperature T, in three dimensional systems. We discuss the relation of this phenomenon to the saturation of resistivity at high temperature.",

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author = "Aleiner, {Igor L.} and Oded Agam",

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AU - Aleiner, Igor L.

AU - Agam, Oded

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N2 - We consider clean metals, at finite temperature, in which the inelastic rate, ħ∕τee, can become of the order of, or larger, than the band splitting energy. We show that in such systems, contrary to the common knowledge, the umklapp scattering rate becomes independent of both τee and the temperature T, in three dimensional systems. We discuss the relation of this phenomenon to the saturation of resistivity at high temperature.

AB - We consider clean metals, at finite temperature, in which the inelastic rate, ħ∕τee, can become of the order of, or larger, than the band splitting energy. We show that in such systems, contrary to the common knowledge, the umklapp scattering rate becomes independent of both τee and the temperature T, in three dimensional systems. We discuss the relation of this phenomenon to the saturation of resistivity at high temperature.

KW - A15 compounds

KW - Resistivity saturation

KW - Umklapp scattering

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JO - Annals of Physics

JF - Annals of Physics

ER -

Saturation of strong electron–electron umklapp scattering at high temperature

Abstract

Bibliographical note

Keywords

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