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- Title
Tunneling of Dirac Electrons in Graphene-Based Junction.
- Authors
Callelero, Marcielow J.; Yanga, Danilo M.
- Abstract
This paper theoretically investigates the single-particle tunneling current of Dirac electrons in graphene-based junctions. We use the tunneling Hamiltonian approach and strong coupling equations to calculate the single-particle tunneling for three configurations: normal metal-normal metal, normal metal-superconductor, and superconductor-superconductor junctions. Analytical solutions are obtained for the tunneling current by considering the following assumptions and limitations: tunneling primarily involves electrons near the Fermi surface, the system operates at low temperatures, and electron-optical phonon interaction dominates. Notably, our findings reveal that tunneling currents for the normal metal-superconductor and superconductor-superconductor junctions obey the law of conservation of energy and are self-consistent as we take the zero gap limit.
- Subjects
QUANTUM tunneling; ELECTRON tunneling; FERMI surfaces; CONSERVATION of energy; CONSERVATION laws (Physics); ANALYTICAL solutions
- Publication
Journal of Superconductivity & Novel Magnetism, 2023, Vol 36, Issue 10-12, p1829
- ISSN
1557-1939
- Publication type
Article
- DOI
10.1007/s10948-023-06634-0