Theoretical Framework in the Stationary Regime

In this chapter the main theoretical tools and models used along the thesis are introduced. We will focus first on the non-interacting situation, providing a brief overview about the non-equilibrium Green function formalism. We will also discuss the minimal models including electron-electron, electron-phonon interaction and superconducting correlations at the nanoscale. Some specific methods for treating interactions are discussed in the stationary regime. The final part of the chapter is devoted to the full counting statistics analysis in both the interacting and non-interacting situations.

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