Seebeck effect in the graphene-superconductor junction
Marcin Wysoki\'nski, Jozef Spa{\l}ek
TL;DR
This paper investigates the thermopower and zero-bias conductance in graphene-superconductor junctions using an extended Blonder-Tinkham-Klapwijk formalism, highlighting the effects of Dirac fermions in both linear and non-linear regimes.
Contribution
It introduces an extended formalism to analyze thermopower and conductance in graphene-superconductor junctions, emphasizing the role of Dirac fermions.
Findings
Thermopower reflects the quasi-relativistic nature of Dirac fermions.
Zero-bias conductance depends on temperature and junction properties.
Both linear and non-linear regimes show distinct behaviors.
Abstract
Thermopower of graphene-superconductor (GS) junction is analyzed within the extended Blonder- Tinkham-Klapwijk formalism. Within this approach we have also calculated the temperature de- pendence of the zero-bias conductance for GS junction. Both quantities reflect quasi-relativistic nature of massless Dirac fermions in graphene. Both, the linear and the non-linear regimes are considered.
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