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Quantitative Numerical-Model for Nonlocal Quantum Diffusion in a Distribution of Magnetic-Flux Tubes

Bending, S J; Geim, A K

Physical Review B. 1992;46(22):14912-14914.

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Abstract

Recently a number of experiments have investigated a mesoscopic system in which a very inhomogeneous magnetic field distribution is generated at a two-dimensional electron gas by depositing a type-II superconducting film on top. The weak-localization magnetoconductivity in such structures has been shown to be qualitatively different from the homogeneous magnetic field case and in complementary experiments it has been demonstrated that micrometer-sized devices of this type can be sensitive to the dynamics of individual quanta of flux. The huge latent potential of such structures will only be realized if quantitative models of the detector operation can be developed. In this Brief Report we demonstrate that available asymptotic results for the magnetoconductivity [Phys. Rev. B 36, 3135 (1987)] are of limited use in describing real experiments, but show that quantitative agreement can be reached with a numerical model that has been developed here.

Bibliographic metadata

Type of resource:
Content type:
Author(s):
Published date:
Language:
english
Journal title:
Alternative journal title:
Phys Rev B
ISSN:
Volume:
46
Issue:
22
Start page:
14912
End page:
14914
Total:
3
Pagination:
14912-14914
ISI Accession Number:
ISI:A1992KB63500067
Related website(s):
  • Related website <Go to ISI>://A1992KB63500067
General notes:
  • Kb635 Times Cited:11 Cited References Count:9
Access state:
Active

Institutional metadata

University researcher(s):

Record metadata

Manchester eScholar ID:
uk-ac-man-scw:192651
Created by:
Hawthornthwaite, Sabina
Created:
19th April, 2013, 15:06:21
Last modified by:
Hawthornthwaite, Sabina
Last modified:
19th April, 2013, 15:06:21

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