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Title
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Violation of Onsager symmetry for a ballistic channel Coulomb coupled to a quantum ring
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Author
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Abstract
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| We investigate a scattering of electron which is injected individually into an empty ballistic channel containing a cavity that is Coulomb coupled to a quantum ring charged with a single electron. We solve the time-dependent Schrödinger equation for the electron pair with an exact account for the electron-electron correlation. Absorption of energy and angular momentum by the quantum ring is not an even function of the external magnetic field. As a consequence we find that the electron backscattering probability is asymmetric in the magnetic field and thus violates Onsager symmetry. |
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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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2009
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ISSN
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0295-5075
1286-4854
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DOI
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10.1209/0295-5075/87/47002
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Volume/pages
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87
:4
(2009)
, p. 47002,1-47002,6
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ISI
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000270146400017
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Full text (Publisher's DOI)
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