Dresden 2009 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 32: Postersession Superconductivity: Josephson Junctions, SQUIDs, Heterostructures, Andreev Scattering, Vortex Physics, Cryodetectors, Measuring Devices, Cryotechnique

TT 32.11: Poster

Mittwoch, 25. März 2009, 14:00–18:00, P1A

Surface deformation caused by the Abrikosov vortex lattice — Pavel Lipavsky^1,2, •Klaus Morawetz^3,4, Jan Kolacek², and Ernst Helmut Brandt⁵ — ¹Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, 12116 Prague 2, Czech Republic — ²Institute of Physics, Academy of Sciences, Cukrovarnická 10, 16253 Prague 6, Czech Republic — ³Forschungszentrum Dresden-Rossendorf, PF 51 01 19, 01314 Dresden, Germany — ⁴International Center for Condensed Matter Physics, 70904-910, Brasília-DF, Brazil — ⁵Max Planck Institute for Metals Research, D-70506 Stuttgart, Germany

In superconductors penetrated by Abrikosov vortices, the magnetic pressure and the inhomogeneous condensate density induce a deformation of the ionic lattice. We calculate how this deformation corrugates the surface of a semi-infinite sample [1]. The effect of the surface dipole is included.

[1] Phys. Rev. B 77 (2008) 184509