Answer by Susi Lehtola for Density Functional Perturbation Theory
To amend AGS's answer, in density functional perturbation theory one looks at how small perturbations to the system affect properties such as dipole moments, excitation energies, etc.Many-body...
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Density functional perturbation theory is a way to calculate the response of a system to some perturbation. For example, you can use DFPT to calculate the response due to small displacements of atoms...
View ArticleDensity Functional Perturbation Theory
What is the difference between density functional perturbation theory (DFPT) and many-body perturbation theory (MBPT)? Also, please help me understand why approximations like PBEsol are considered as...
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