Theory of induced superconductivityTheory of induced superconductivityin graphenein graphene

Mikhail A. SkvortsovMikhail V. Feigel’man

Konstantin S. Tikhonov

Landau Institute, Moscow

Pis'ma v ZhETF 88, 780 (2008) [JETP Lett. 88, 747 (2008)]

Graphene + superconducting islandsGraphene + superconducting islands

GrapheneGraphene

Superconductive proximity effect in Superconductive proximity effect in graphenegraphene

Usadel equation in grapheneUsadel equation in graphene

Josephson coupling via disordered Josephson coupling via disordered graphenegraphene

Thermal phase transitionThermal phase transition

Transition temperature vs Transition temperature vs GGTT

Superfluid density below Superfluid density below TTcc

Spectral gapSpectral gap

Spectral gap vs Spectral gap vs GGTT

Spectral gapSpectral gap

Spectral gap in an irregular systemSpectral gap in an irregular system

Two-energy-scale superconductivityTwo-energy-scale superconductivity

Magnetic field effect (low Magnetic field effect (low TT, , lowlow HH))

Magnetic field effect (low Magnetic field effect (low TT, , highhigh HH))

Phase diagramPhase diagram

Experiment: Tin islands on grapheneExperiment: Tin islands on graphene

Experiment: Tin islands on grapheneExperiment: Tin islands on graphene

SummarySummary