WEST (Without Empty STates) is a massively parallel software for large scale electronic structure calculations within many-body perturbation theory.


  • GW self-energy (full-frequency)

  • GPU acceleration (NVIDIA for now)

  • Absorption spectra (BSE) in beta-release

  • Electron-phonon under development

  • Quantum embedding (QDET) under development

See also

WESTpy is a Python package, designed to assist users of the WEST code in pre- and post-process massively parallel calculations. Click here to know more.