Berlin 2018 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 16: Superconductivity: Properties and Electronic Structure II

TT 16.5: Vortrag

Montag, 12. März 2018, 16:00–16:15, H 0110

Vortex dynamics in driven Type-II Superconductor heterostructures — •Björn Niedzielski and Jamal Berakdar — Martin-Luther Universität Halle-Wittenberg, Halle, Germany

Superconductors exhibit a variety of intriguing phenomena in the presence of magnetic fields. For example, type-II Superconductors respond to an external field by generating vortices of magnetic flux. Our aim is to control the motion of these flux lines as well as to understand their nature in confined geometries and in the proximity of ferromagnetic or multiferroic order. Along this direction we will present simulations obtained from solving the time-dependent Ginzburg-Landau-Equations and discuss the behavior of the simulated systems. The role of material parameters, external magnetic fields and currents will be discussed. We will also show how the shape of the sample influences the dynamics of the superconducting order parameter.