Resonant Tunneling Spectroscopy of Interacting Localised States -- Observation of the Correlated Current Through Two Impurities

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dc.creatorKuznetsov, V. V.
dc.creatorSavchenko, A. K.
dc.creatorMace, D. R.
dc.creatorLinfield, E. H.
dc.creatorRitchie, D. A.
dc.date1997-11-03
dc.date.accessioned2026-07-07T03:09:23Z
dc.date.available2026-07-07T03:09:23Z
dc.descriptionWe study effects of Coulomb interactions between localised states in a potential barrier by measuring resonant-tunneling spectra with a small bias applied along the barrier. In the ohmic regime the conductance of 0.2um--gate lateral GaAs microstructures shows distinct peaks associated with individual localised states. However, when an electric field is applied new states start contributing to the current, which becomes a correlated electron flow through two interacting localised states. Several situations of such correlations have been observed, and the conclusions are confirmed by calculations.
dc.description10 pages, RevTeX, 4 figures, to be published in Phys. Rev. B, Rapid Communication
dc.identifierhttps://arxiv.org/abs/cond-mat/9711005
dc.identifierhttp://arxiv.org/abs/cond-mat/9711005
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/27861
dc.subjectMesoscale and Nanoscale Physics
dc.subjectStrongly Correlated Electrons
dc.titleResonant Tunneling Spectroscopy of Interacting Localised States -- Observation of the Correlated Current Through Two Impurities
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