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Title
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Local current injection into mesoscopic superconductors for the manipulation of quantum states
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Author
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Abstract
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| We perform strategic current injection in a small mesoscopic superconductor and control the (non)equilibrium quantum states in an applied homogeneous magnetic field. In doing so, we realize a current-driven splitting of multiquanta vortices, current-induced transitions between states with different angular momenta, and current-controlled switching between otherwise degenerate quantum states. These fundamental phenomena form the basis for the electronic and logic applications discussed, and are confirmed in both theoretical simulations and multiple-small-tunnel-junction transport measurements. |
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Language
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English
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Source (journal)
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Physical review letters. - New York, N.Y., 1958, currens
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Publication
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New York, N.Y.
:
American Physical Society
,
2009
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ISSN
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0031-9007
[print]
1079-7114
[online]
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DOI
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10.1103/PHYSREVLETT.103.217003
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Volume/pages
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103
:21
(2009)
, p. 217003,1-217003,4
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Article Reference
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217003
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ISI
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000272054300044
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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