Theory%20of%20induced%20superconductivity%20in%20graphene

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Theory of induced superconductivityin graphene

• Mikhail A. Skvortsov
• Mikhail V. Feigelman
• Konstantin S. Tikhonov
• Landau Institute, Moscow

Pis'ma v ZhETF 88, 780 (2008) JETP Lett. 88,
747 (2008)
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Graphene superconducting islands
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Graphene
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Superconductive proximity effect in graphene
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Usadel equation in graphene
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Josephson coupling via disordered graphene
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Thermal phase transition
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Transition temperature vs GT
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Superfluid density below Tc
?
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Spectral gap
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Spectral gap vs GT
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Spectral gap
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Spectral gap in an irregular system
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Two-energy-scale superconductivity
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Magnetic field effect (low T, low H)
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Magnetic field effect (low T, high H)
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Phase diagram
?
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Experiment Tin islands on graphene
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Experiment Tin islands on graphene
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Summary