Title
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Confined magnetic guiding orbit states
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Author
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Abstract
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We show how snake-orbit states which run along a magnetic edge can be confined electrically. We consider a two-dimensional electron gas (2DEG) confined into a quantum wire, subjected to a strong perpendicular and steplike magnetic field B/ − B. Close to this magnetic step, new, spatially confined bound states arise as a result of the lateral confinement and the magnetic-field step. The number of states, with energy below the first Landau level, increases as B becomes stronger or as the wire width becomes larger. These bound states can be understood as an interference between two counter-propagating one-dimensional snake-orbit states. |
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Language
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English
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Source (journal)
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Europhysics letters / Société européenne de physique. - Les Ulis, 1986, currens
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Publication
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Les Ulis
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Les éditions de physique
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2002
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ISSN
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0295-5075
1286-4854
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DOI
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10.1209/EPL/I2002-00189-8
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Volume/pages
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59
:5
(2002)
, p. 749-753
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ISI
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000177761700018
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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