WEST (Without Empty STates) is a massively parallel software package for large-scale electronic structure calculations within many-body perturbation theory.
WEST is licensed under the open-source GPLv3 license.
In publications arising from the use of WEST, please cite:
- Govoni and Galli, J. Chem. Theory Comput. 11, 2680-2696 (2015)
- Yu and Govoni, J. Chem. Theory Comput. 18, 4690-4707 (2022)
See also WESTpy, a Python package that simplifies the pre- and post-processing of WEST calculations.