Reference : Vortex Core Deformation and Stepper-Motor Ratchet Behavior in a Superconducting Alumi...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/102000
Vortex Core Deformation and Stepper-Motor Ratchet Behavior in a Superconducting Aluminum Film Containing an Array of Holes
English
Van de Vondel, J. [> > > >]
Gladilin, V. N. [> > > >]
Silhanek, Alejandro mailto [Katholieke Universiteit Leuven - KUL > > > >]
Gillijns, W. [> > > >]
Tempere, J. [> > > >]
Devreese, J. T. [> > > >]
Moshchalkov, V. V. [ > > ]
2011
Physical Review Letters
American Physical Society
106
13
Yes (verified by ORBi)
International
0031-9007
1079-7114
Ridge
NY
[en] superconductivity
[en] We investigated experimentally the frequency dependence of a superconducting vortex ratchet effect by means of electrical transport measurements and modeled it theoretically using the time-dependent Ginzburg-Landau formalism. We demonstrate that the high frequency vortex behavior can be described as a discrete motion of a particle in a periodic potential, i.e., the so-called stepper-motor behavior. Strikingly, in the more conventional low frequency response a transition takes place from an Abrikosov vortex rectifier to a phase slip line rectifier. This transition is characterized by a strong increase in the rectified voltage and the appearance of a pronounced hysteretic behavior.
Researchers
http://hdl.handle.net/2268/102000
10.1103/PhysRevLett.106.137003

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