## Theory

## Basic theory

Electron-phonon coupling

A quick description of some basic quantities calculated by EPW: electron and phonon self-energy, electron-phonon coupling strength, transport spectral function.

Migdal-Eliashberg Theory

A brief description of the anisotropic Eliashberg theory, and how EPW calculate the anisotropic superconducting gap.

## Related papers

Theory of electron-phonon interpolation using Wannier functions

This manuscript describes the theory underlying EPW. This should give you an idea of what EPW does. Here you can also find some
typical calculation parameters.

EPW Implementation

This manuscript describes the software EPW, including test calculations, performance, and data structure.

Anisotropic Migdal-Eliashberg theory with EPW

This manuscript describes the implementation of the anisotropic Migdal-Eliashberg theory using electron-phonon interpolation, including test calculations for Pb and MgB2.