Measurement of the electronic dephasing time via the weak localization effect in a narrow channel

J. A. Katine; M. J. Berry; R. M. Westervelt; A. C. Gossard

doi:10.1006/spmi.1994.1142

Measurement of the electronic dephasing time via the weak localization effect in a narrow channel

J. A. Katine, M. J. Berry, R. M. Westervelt, A. C. Gossard

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Abstract

We have utilized the the weak localization effect in a narrow channel to measure the phase coherence time (τφ) at temperatures between 0.42 K and 4.25 K for electrons in a two-dimensional electron gas formed in a GaAs/Al_xGa_1-xAs heterostructure. The measured values agree well with electron-electron scattering theory in a one-dimensional channel including both single particle and collective contributions.

Original language	English (US)
Pages (from-to)	211
Number of pages	1
Journal	Superlattices and Microstructures
Volume	16
Issue number	2
DOIs	https://doi.org/10.1006/spmi.1994.1142
State	Published - Sep 1994
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Materials Science
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1006/spmi.1994.1142

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abstract = "We have utilized the the weak localization effect in a narrow channel to measure the phase coherence time (τφ) at temperatures between 0.42 K and 4.25 K for electrons in a two-dimensional electron gas formed in a GaAs/AlxGa1-xAs heterostructure. The measured values agree well with electron-electron scattering theory in a one-dimensional channel including both single particle and collective contributions.",

author = "Katine, {J. A.} and Berry, {M. J.} and Westervelt, {R. M.} and Gossard, {A. C.}",

year = "1994",

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AU - Katine, J. A.

AU - Berry, M. J.

AU - Westervelt, R. M.

AU - Gossard, A. C.

PY - 1994/9

Y1 - 1994/9

N2 - We have utilized the the weak localization effect in a narrow channel to measure the phase coherence time (τφ) at temperatures between 0.42 K and 4.25 K for electrons in a two-dimensional electron gas formed in a GaAs/AlxGa1-xAs heterostructure. The measured values agree well with electron-electron scattering theory in a one-dimensional channel including both single particle and collective contributions.

AB - We have utilized the the weak localization effect in a narrow channel to measure the phase coherence time (τφ) at temperatures between 0.42 K and 4.25 K for electrons in a two-dimensional electron gas formed in a GaAs/AlxGa1-xAs heterostructure. The measured values agree well with electron-electron scattering theory in a one-dimensional channel including both single particle and collective contributions.

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DO - 10.1006/spmi.1994.1142

M3 - Article

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JO - Superlattices and Microstructures

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IS - 2

ER -

Measurement of the electronic dephasing time via the weak localization effect in a narrow channel

Abstract

All Science Journal Classification (ASJC) codes

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