Systematic Calculation of Moment of Flux-Dependent Currents in Single Mesoscopic Rings

Robert Smith; V Ambegaokar

doi:10.1209/0295-5075/20/2/012

Systematic Calculation of Moment of Flux-Dependent Currents in Single Mesoscopic Rings

Robert Smith, V Ambegaokar

Physics and Astronomy

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Abstract

We systematically consider the moments of the currents I(phi) in single mesoscopic rings threaded by flux phi, and isolate the largest contributions. We compare our work with recent work by Eckern and Schmid. We disagree with their calculation for [I2]1/2 obtaining approximately (ev(F) IL) (l/L) rather than approximately (ev(F) IL). We find agreement for [I2p] with p > 1, but not for [I2P+1] (except in the case p = 0). We also address the question of the shape of the probability distribution.

Original language	English
Pages (from-to)	161-166
Number of pages	6
Journal	Europhysics Letters
Volume	20
Issue number	2
DOIs	https://doi.org/10.1209/0295-5075/20/2/012
Publication status	Published - 15 Sept 1992

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title = "Systematic Calculation of Moment of Flux-Dependent Currents in Single Mesoscopic Rings",

abstract = "We systematically consider the moments of the currents I(phi) in single mesoscopic rings threaded by flux phi, and isolate the largest contributions. We compare our work with recent work by Eckern and Schmid. We disagree with their calculation for [I2]1/2 obtaining approximately (ev(F) IL) (l/L) rather than approximately (ev(F) IL). We find agreement for [I2p] with p > 1, but not for [I2P+1] (except in the case p = 0). We also address the question of the shape of the probability distribution.",

author = "Robert Smith and V Ambegaokar",

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AU - Ambegaokar, V

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N2 - We systematically consider the moments of the currents I(phi) in single mesoscopic rings threaded by flux phi, and isolate the largest contributions. We compare our work with recent work by Eckern and Schmid. We disagree with their calculation for [I2]1/2 obtaining approximately (ev(F) IL) (l/L) rather than approximately (ev(F) IL). We find agreement for [I2p] with p > 1, but not for [I2P+1] (except in the case p = 0). We also address the question of the shape of the probability distribution.

AB - We systematically consider the moments of the currents I(phi) in single mesoscopic rings threaded by flux phi, and isolate the largest contributions. We compare our work with recent work by Eckern and Schmid. We disagree with their calculation for [I2]1/2 obtaining approximately (ev(F) IL) (l/L) rather than approximately (ev(F) IL). We find agreement for [I2p] with p > 1, but not for [I2P+1] (except in the case p = 0). We also address the question of the shape of the probability distribution.

U2 - 10.1209/0295-5075/20/2/012

DO - 10.1209/0295-5075/20/2/012

M3 - Article

SN - 1286-4854

VL - 20

SP - 161

EP - 166

JO - Europhysics Letters

JF - Europhysics Letters

IS - 2

ER -

Systematic Calculation of Moment of Flux-Dependent Currents in Single Mesoscopic Rings

Abstract

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