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Aharonov-Bohm oscillations in the vortex dynamics in superconducting hollow cylinders
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| Abstract |
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| Using time-dependent Ginzburg-Landau theory we demonstrate that the Aharonov-Bohm (AB) effect, resulting from a Berry phase shift of the (macroscopic) wave function, is revealed through the dynamics of topological phase defects present in that same wave function. We study vortices and antivortices on the surface of a hollow superconducting cylinder, moving on circular orbits as they are subjected to the force from the current flowing parallel to the cylinder axis. Due to the AB effect the orbit deflections, caused by a magnetic field component along the cylinder axis, become periodic as a function of field, leading to strong and robust resistance oscillations. |
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English
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Physical review : B : condensed matter and materials physics. - Lancaster, Pa, 1998 - 2015 | |
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Lancaster, Pa : 2012
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| ISSN |
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1098-0121 [print]
1550-235X [online]
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| Volume/pages |
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86:10(2012), 5 p.
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104508
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| ISI |
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000308689600006
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E-only publicatie
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| Full text (open access) |
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