Quantum ESPRESSO (Quantum opEn-Source Package for Research in Electronic Structure, Simulation, and Optimisation) is a suite of open-source codes for quantum materials modelling using the plane-wave pseudopotential method; the suite provides a wide set of common fundamental routines and has been the platform for such important methodological innovations as Car-Parrinello molecular dynamics and Density-Functional Perturbation Theory. It is released under the GNU GPL. It implements density-functional theory (DFT) in the plane-wave pseudopotential approach, but it also includes more advanced levels of theory: DFT+U, hybrid functionals, various functionals for van der Waals forces, many-body perturbation theory, adiabatic-connection fluctuation-dissipation theory.
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This website is created and maintained by the project FocusCoE. FocusCoE has received funding from the European Union’s Horizon 2020 research and innovation programme under the grant agreement Nº 823964. 