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Giant oscillations of the current in a dirty 2D electron system flowing perpendicular to a lateral barrier under magnetic field

The charge transport in a dirty 2-dimensional electron system biased in the presence of a lateral potential barrier under magnetic field is theoretically studied. The quantum tunnelling across the barrier provides the quantum interference of the edge states localized on its both sides that results i...

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Bibliographic Details
Main Author:	Kadigrobov, A.M.
Format:	Article
Language:	English
Published:	Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2017
Series:	Физика низких температур
Subjects:	Low dimensionality and inhomogeneity effects in quantum matter
Online Access:	http://dspace.nbuv.gov.ua/handle/123456789/175139
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id	irk-123456789-175139
record_format	dspace
spelling	irk-123456789-1751392021-01-31T01:27:39Z Giant oscillations of the current in a dirty 2D electron system flowing perpendicular to a lateral barrier under magnetic field Kadigrobov, A.M. Low dimensionality and inhomogeneity effects in quantum matter The charge transport in a dirty 2-dimensional electron system biased in the presence of a lateral potential barrier under magnetic field is theoretically studied. The quantum tunnelling across the barrier provides the quantum interference of the edge states localized on its both sides that results in giant oscillations of the charge current flowing perpendicular to the lateral junction. Our theoretical analysis is in a good agreement with the experimental observations presented in Kang et al. [Lett. Nat. 403, 59 (2000)]. In particular, positions of the conductance maxima coincide with the Landau levels while the conductance itself is essentially suppressed even at the energies at which the resonant tunnelling occurs and hence these puzzling observations can be resolved without taking into account the electron-electron interaction. 2017 Article Giant oscillations of the current in a dirty 2D electron system flowing perpendicular to a lateral barrier under magnetic field / A.M. Kadigrobov // Физика низких температур. — 2017. — Т. 43, № 8. — С. 1236-1242. — Бібліогр.: 18 назв. — англ. 0132-6414 PACS: 75.47.–m, 03.65.Ge, 05.60.Gg, 75.45.+j http://dspace.nbuv.gov.ua/handle/123456789/175139 en Физика низких температур Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
institution	Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection	DSpace DC
language	English
topic	Low dimensionality and inhomogeneity effects in quantum matter Low dimensionality and inhomogeneity effects in quantum matter
spellingShingle	Low dimensionality and inhomogeneity effects in quantum matter Low dimensionality and inhomogeneity effects in quantum matter Kadigrobov, A.M. Giant oscillations of the current in a dirty 2D electron system flowing perpendicular to a lateral barrier under magnetic field Физика низких температур
description	The charge transport in a dirty 2-dimensional electron system biased in the presence of a lateral potential barrier under magnetic field is theoretically studied. The quantum tunnelling across the barrier provides the quantum interference of the edge states localized on its both sides that results in giant oscillations of the charge current flowing perpendicular to the lateral junction. Our theoretical analysis is in a good agreement with the experimental observations presented in Kang et al. [Lett. Nat. 403, 59 (2000)]. In particular, positions of the conductance maxima coincide with the Landau levels while the conductance itself is essentially suppressed even at the energies at which the resonant tunnelling occurs and hence these puzzling observations can be resolved without taking into account the electron-electron interaction.
format	Article
author	Kadigrobov, A.M.
author_facet	Kadigrobov, A.M.
author_sort	Kadigrobov, A.M.
title	Giant oscillations of the current in a dirty 2D electron system flowing perpendicular to a lateral barrier under magnetic field
title_short	Giant oscillations of the current in a dirty 2D electron system flowing perpendicular to a lateral barrier under magnetic field
title_full	Giant oscillations of the current in a dirty 2D electron system flowing perpendicular to a lateral barrier under magnetic field
title_fullStr	Giant oscillations of the current in a dirty 2D electron system flowing perpendicular to a lateral barrier under magnetic field
title_full_unstemmed	Giant oscillations of the current in a dirty 2D electron system flowing perpendicular to a lateral barrier under magnetic field
title_sort	giant oscillations of the current in a dirty 2d electron system flowing perpendicular to a lateral barrier under magnetic field
publisher	Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
publishDate	2017
topic_facet	Low dimensionality and inhomogeneity effects in quantum matter
url	http://dspace.nbuv.gov.ua/handle/123456789/175139
citation_txt	Giant oscillations of the current in a dirty 2D electron system flowing perpendicular to a lateral barrier under magnetic field / A.M. Kadigrobov // Физика низких температур. — 2017. — Т. 43, № 8. — С. 1236-1242. — Бібліогр.: 18 назв. — англ.
series	Физика низких температур
work_keys_str_mv	AT kadigrobovam giantoscillationsofthecurrentinadirty2delectronsystemflowingperpendiculartoalateralbarrierundermagneticfield
first_indexed	2023-10-18T22:38:08Z
last_indexed	2023-10-18T22:38:08Z
_version_	1796156033773600768

Giant oscillations of the current in a dirty 2D electron system flowing perpendicular to a lateral barrier under magnetic field

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