Journal
PHYSICAL REVIEW B
Volume 83, Issue 22, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.83.220503
Keywords
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Funding
- Academy of Finland
- COE
- European Research Council [240362-Heattronics]
- Russian Foundation for Basic Research [09-02-00573-a]
- Russian Academy of Sciences
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We show that the topologically protected flat band emerging on a surface of a nodal fermionic system promotes the surface superconductivity due to an infinitely large density of states associated with the flat band. The critical temperature depends linearly on the pairing interaction and can be thus considerably higher than the exponentially small bulk critical temperature. We discuss an example of surface superconductivity in multilayered graphene with rhombohedral stacking.
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