Vortex matter in nanostructured and hybrid superconductors

Common wisdom about superconductivity

S/N boundary: mesoscopic effects

Magnetization

Fractional and negative vortices

Ginzburg-Landau formalism

Ginzburg Landau equations

Superconducting – Normal phase boundary

Slide 9

Giant vortex states

Slide 11

Experiment « theory

Larger disks

Giant  - multi-vortex transitions

Multiple-small-tunnel
junctions

Multi-vortex transitions

Giant - multi-vortex states

Vortex states (R=6x)

"L – 3 vortices on..."

Slide 20

Disks with R » 50ξ

Summary: size dependence

Entrance and exit of vortices

Fractional and negative vortices

Fractional and negative vortices

Surface roughness

Ring structures

Time-dependent Ginzburg-Landau equations

Comparison with experiment

Conclusions

Slide 31

Slide 32

Slide 33

Slide 34

Slide 35

Slide 36

Slide 37

Slide 38

Slide 39

Slide 40

Conclusions

Slide 42