Ab initio codes developed within the ETSF cover a wide field of application ranging from molecules and nano-scale clusters to 1D, 2D and 3D extended systems. The physical quantities provided by these programs include:
- ground-state electronic density and total energy from density functional theory (DFT);
- quasi-particle energy within the GW approximation and its extensions;
- linear and non-linear response functions.
Through these physical quantities, a large variety of physical properties can be addressed:
- structural and vibrational properties;
- electronic properties;
- optical and dielectric properties;
- magnetic properties.
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