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An integrated suite of open-source computer codes for electronic-structure calculations and materials modeling at the nanoscale.

Quantum ESPRESSO is a powerful open-source software suite designed for advanced electronic-structure calculations and materials modeling. It leverages density-functional theory (DFT), plane waves, and pseudopotentials to accurately simulate materials at the nanoscale. The architecture is modular, allowing for customization and extension through community contributions. Its value proposition lies in providing researchers and developers with a flexible and efficient tool for investigating material properties, designing new materials, and understanding complex physical phenomena. Key use cases include predicting material behavior under extreme conditions, optimizing the performance of electronic devices, and exploring novel energy storage solutions. The software is written in Fortran and relies on several external libraries for linear algebra and FFTs, ensuring performance and scalability on high-performance computing architectures.
Quantum ESPRESSO is a powerful open-source software suite designed for advanced electronic-structure calculations and materials modeling.
Explore all tools that specialize in phonon calculation. This domain focus ensures Quantum ESPRESSO delivers optimized results for this specific requirement.
Calculates response functions and vibrational properties by solving the Sternheimer equation.
Computes polarization and related properties in crystalline materials using the Berry phase formalism.
Handles complex magnetic structures where the magnetization direction varies spatially.
Implements hybrid density functionals that incorporate a portion of exact exchange.
Calculates quasi-particle energies and band structures using the GW approximation.
Performs molecular dynamics simulations using the Car-Parrinello method, where electronic structure is calculated on-the-fly.
Download the Quantum ESPRESSO package from the official website.
Install the required dependencies, including Fortran compiler and libraries.
Set up the environment variables for proper execution.
Familiarize yourself with the input file format and available parameters.
Run the example calculations to verify the installation and understand the workflow.
Consult the user guide and developers manual for detailed information on specific features and functionalities.
Join the community forum for support and troubleshooting.
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