Flux-cancellation effect on narrow-channel magnetoresistance fluctuations | Zendy

C. W. J. Beenakker | Zendy; H. van Houten | Zendy

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Flux-cancellation effect on narrow-channel magnetoresistance fluctuations

Author(s) -

C. W. J. Beenakker,

H. van Houten

Publication year - 1988

Publication title -

physical review. b, condensed matter

Language(s) - English

Resource type - Journals

eISSN - 1095-3795

pISSN - 0163-1829

DOI - 10.1103/physrevb.37.6544

Subject(s) - condensed matter physics , magnetoresistance , physics , magnetic field , electron , heterojunction , scattering , conductance , flux (metallurgy) , magnetic flux , fermi gas , quantum mechanics , materials science , metallurgy

The magnetic-field correlation function of the universal conductance fluctuations (UCF) in a laterally confined two-dimensional electron gas is calculated in the high-mobility regime. Boundary scattering induces cancellations of the magnetic flux enclosed by electron trajectories, which leads to an enhanced correlation field. The theory is discussed in relation to a recent observation of UCF in a narrow GaAs-AlxGai-xAs heterostructure.

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