Effect of measurement geometry on weak localization in short wires

V. Chandrasekhar; D. E. Prober; P. Santhanam

doi:10.1103/PhysRevLett.61.2253

Effect of measurement geometry on weak localization in short wires

V. Chandrasekhar^*, D. E. Prober, P. Santhanam

^*Corresponding author for this work

Physics and Astronomy

Research output: Contribution to journal › Article

26 Scopus citations

Abstract

The effect of measurement-probe geometry on the weak-localization magnetoresistance of short silver wires is investigated. The wires have lenghts comparable to the electron phase coherence length l, which is a few microns at 1 K. The influence of different probe geometries is seen directly in the magnitude and shape of the low-field magnetoresistance of these wires. We have extended the theory of weak localization to include the effects of the measurement geometry, and find good quantitative agreement with experiment.

Original language	English (US)
Pages (from-to)	2253-2256
Number of pages	4
Journal	Physical review letters
Volume	61
Issue number	19
DOIs	https://doi.org/10.1103/PhysRevLett.61.2253
State	Published - Jan 1 1988

ASJC Scopus subject areas

Physics and Astronomy(all)

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abstract = "The effect of measurement-probe geometry on the weak-localization magnetoresistance of short silver wires is investigated. The wires have lenghts comparable to the electron phase coherence length l, which is a few microns at 1 K. The influence of different probe geometries is seen directly in the magnitude and shape of the low-field magnetoresistance of these wires. We have extended the theory of weak localization to include the effects of the measurement geometry, and find good quantitative agreement with experiment.",

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AU - Santhanam, P.

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AB - The effect of measurement-probe geometry on the weak-localization magnetoresistance of short silver wires is investigated. The wires have lenghts comparable to the electron phase coherence length l, which is a few microns at 1 K. The influence of different probe geometries is seen directly in the magnitude and shape of the low-field magnetoresistance of these wires. We have extended the theory of weak localization to include the effects of the measurement geometry, and find good quantitative agreement with experiment.

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