| BSE |
Bethe-Salpether Equation |
| cRPA |
constrained Random-Phase Approximation |
| DDB |
Derivative DataBase |
| DFPT |
Density Functional Perturbation Theory |
| DFT |
Density Functional Theory |
| DFT+U |
Density Functional Theory + U (Hubbard interaction). |
| DMFT |
Dynamical Mean Field Theory |
| DOS |
Density Of States |
| EFG |
Electric Field Gradient |
| EPH |
Electron-Phonon interaction |
| FFT |
Fast Fourier Transform |
| GGA |
Generalized Gradient Approximation |
| GKK |
(This is not an acronym. Denotes the electron-phonon matrix elements.) |
| GW |
(This is not an acronym. G and W stand for ‘Green Function’ and ‘Screened Interaction’) |
| LDA |
Local Density Approximation |
| LR |
Linear Response |
| LWF |
Lattice Wannier Function |
| MBPT |
Many-Body Perturbation Theory |
| MBT |
Many-Body Theory |
| MD |
Molecular Dynamics |
| MRG |
Merge (postprocessors like MRGDDB, MRGGKK, …) |
| PAW |
Projector-Augmented Waves |
| PIMD |
Path-Integral Molecular Dynamics |
| RF |
Response Function |
| RPA |
Random-Phase Approximation |
| SCF |
Self-Consistent Field |
| TD-DFT |
Time-Dependent Density Functional Theory |
| TDEP |
Temperature Dependence (or Dependent) - also the name of a methodology to deal with anharmonicities. |
| WF |
Wannier Function - or sometimes - WaveFunction |