Persistent currents in two-dimensional metallic cylinders: A linear response analysis

O. Entin-Wohlman; Y. Gefen

doi:10.1209/0295-5075/8/5/014

Persistent currents in two-dimensional metallic cylinders: A linear response analysis

O. Entin-Wohlman
, Y. Gefen

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

35 Scopus citations

Abstract

Diamagnetic persistent currents are shown to exist in a two-dimensional metallic cylinder threaded by magnetic flux, and the average over impurity configurations is calculated in the weak-scattering, small flux limit. Electron-electron and hole-hole propagators give rise to a reduction in the current which is exponential in L_x/2l, where L_x is the perimeter and l is the elastic mean free path. The current is proportional to the length of the cylinder, when this length is large.

Original language	English
Pages (from-to)	477-481
Number of pages	5
Journal	Europhysics Letters
Volume	8
Issue number	5
DOIs	https://doi.org/10.1209/0295-5075/8/5/014
State	Published - 1 Mar 1989
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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abstract = "Diamagnetic persistent currents are shown to exist in a two-dimensional metallic cylinder threaded by magnetic flux, and the average over impurity configurations is calculated in the weak-scattering, small flux limit. Electron-electron and hole-hole propagators give rise to a reduction in the current which is exponential in Lx/2l, where Lx is the perimeter and l is the elastic mean free path. The current is proportional to the length of the cylinder, when this length is large.",

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N2 - Diamagnetic persistent currents are shown to exist in a two-dimensional metallic cylinder threaded by magnetic flux, and the average over impurity configurations is calculated in the weak-scattering, small flux limit. Electron-electron and hole-hole propagators give rise to a reduction in the current which is exponential in Lx/2l, where Lx is the perimeter and l is the elastic mean free path. The current is proportional to the length of the cylinder, when this length is large.

AB - Diamagnetic persistent currents are shown to exist in a two-dimensional metallic cylinder threaded by magnetic flux, and the average over impurity configurations is calculated in the weak-scattering, small flux limit. Electron-electron and hole-hole propagators give rise to a reduction in the current which is exponential in Lx/2l, where Lx is the perimeter and l is the elastic mean free path. The current is proportional to the length of the cylinder, when this length is large.

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DO - 10.1209/0295-5075/8/5/014

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JO - Europhysics Letters

JF - Europhysics Letters

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Persistent currents in two-dimensional metallic cylinders: A linear response analysis

Abstract

ASJC Scopus subject areas

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