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README
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EPW v5.9 is an open-source community code for ab initio calculations of electron-phonon
interactions using Density-Functional Perturbation Theory and Maximally Localized Wannier
Functions.
EPW is distributed as part of the Quantum ESPRESSO suite, therefore please cite
"P. Giannozzi et al., J. Phys.:Condens. Matter 21 395502 (2009);
URL http://www.quantum-espresso.org",
in publications or presentations arising from this work. More details at
http://www.quantum-espresso.org/quote
Please also consider citing the EPW papers:
1) F. Giustino, M. L. Cohen, and S. G. Louie, Phys. Rev. B 76, 165108 (2007)
2) For calculations performed using EPW v4 through v5.6:
S. Ponc\'e, E. R. Margine, C. Verdi and F. Giustino, Comput. Phys. Commun. 209, 116 (2016).
For calculations performed using EPW v5.7 and beyond:
H. Lee, S. Ponc\'e, K. Bushick, S. Hajinazar, J. Lafuente-Bartolome, J. Leveillee,
C. Lian, J.-M. Lihm, F. Macheda, H. Mori, H. Paudyal, W. H. Sio, S. Tiwari, M. Zacharias,
X. Zhang, N. Bonini, E. Kioupakis, E. R. Margine, and F. Giustino,
npj Comput. Mater. 9, 156 (2023).
The software tree of EPW v5.9 is composed of
/bin ==> Contains the epw.x soft link to the EPW executable.
/examples ==> Contains a lists of examples that are connected to the tutorials. The
tutorials can be found at http://epw.org.uk/Documentation/Tutorial
/src ==> Contains all the EPW source files.
../test-suite/epw_* ==> Small tests useful for debugging and checking if the code works.
Those tests are used by the test farm. Do not expect physically relevant results out of it.
/ZG ==> A set of codes for calculations of electron-phonon interactions via the
special displacement method.
Installation
------------
To compile the code you first need to issue ./configure in /espresso.
Indeed EPW rely on the make.sys file created by QE.
Then you can run ./make inside espresso/EPW.
EPW dedicated website and forum
-------------------------------
EPW has a dedicated website that you can access at https://epw-code.org
Detailed documentation and tutorials can be found here: https://docs.epw-code.org
If you have any questions, please use the forum at https://forum.epw-code.org
@ The EPW Collaboration, Aug 2023