Acknowledgements
================

EPW is released under the `GNU General Public License v2 <http://www.gnu.org/licenses/gpl-2.0.html>`_. 
The use of EPW in scientific publications can be acknowledged by citing the associated papers:

**Technical manuscripts for specific releases**

| Versions 5.7 and above, and ZG code:
| `H. Lee, S. Poncé, K. Bushick, S. Hajinazar, J. Lafuente-Bartolome, J. Leveillee, C. Lian, J. Lihm, F. Macheda, H. Mori, H. Paudyal, W. Sio, S. Tiwari, M. Zacharias, X. Zhang, N. Bonini, E. Kioupakis, E.R. Margine, and F. Giustino, npj Comput. Mater. 9, 156 (2023) <https://www.nature.com/articles/s41524-023-01107-3>`_ 

| Versions 3.0 through 5.6:
| `S. Poncé, E. R. Margine, C. Verdi, and F. Giustino, Comput. Phys. Comm.  209, 116  (2016) <http://www.sciencedirect.com/science/article/pii/S0010465516302260>`_ 

| Version 2.0:
| `J. Noffsinger,  et al, Comput. Phys. Comm. 181, 2140 (2010) <https://www.sciencedirect.com/science/article/pii/S0010465510003218?via%3Dihub>`_


**Methodology underlying EPW**

| General method:
| `F. Giustino, M. L. Cohen, and S. G. Louie, Phys. Rev. B 76, 165108 (2007) <http://link.aps.org/doi/10.1103/PhysRevB.76.165108>`_ 

| Fröhlich corrections to electron-phonon matrix elements:
| `C. Verdi and F. Giustino, Phys. Rev. Lett. 115, 176401 (2015) <http://dx.doi.org/10.1103/PhysRevLett.115.176401>`_

**Specific modules of EPW**

| Superconductivity:
| `E. R. Margine and F. Giustino, Phys. Rev. B 87, 024505 (2013) <http://dx.doi.org/10.1103/PhysRevB.87.024505>`_

| Boltzmann transport:
| `S. Poncé, E. R. Margine and F. Giustino, Phys. Rev. B 97, 121201 (2018) <https://link.aps.org/doi/10.1103/PhysRevB.97.121201>`_

| Indirect absorption:
| `J. Noffsinger, E. Kioupakis, C. G. Van de Walle, S. G. Louie, and M. L. Cohen, Phys. Rev. Lett. 108, 167402 (2012) <https://link.aps.org/doi/10.1103/PhysRevLett.108.167402>`_

| Quadi-degenerate perturbation theory of direct and indirect absorption:
| `S. Tiwari, E. Kioupakis, J. Menendez, and F. Giustino, Phys. Rev. B 109, 195127 (2024) <https://link.aps.org/doi/10.1103/PhysRevB.109.195127>`_

| Special displacements:
| `M. Zacharias and F. Giustino, Phys. Rev. Research 2, 013357 (2020) <https://doi.org/10.1103/PhysRevResearch.2.013357>`_

**Additional contributions to the code**

 * Paolo Giannozzi (Università di Udine): Debug and code alignment with QE
 * Fabio Caruso (Humboldt University): Initial implementation of plasmons and cumulant
 * Xiaolong Zhang (Chinese Academy of Sciences): Initial implementation of SOC 
 * Shunhong Zhang (University of Science and Technology of China): Convert dyn file to XML