elk-lapw
All-Electron Density-Functional Electronic Structure Code
Description
Elk is an all-electron full-potential linearised augmented-plane wave (FP-LAPW) code. By not including pseudo-potentials, Elk can provide very reliable high-precision results and works for every chemical element. Features include: * FP-LAPW basis with local-orbitals
* APW radial derivative matching to arbitrary orders at muffin-tin surface
(super-LAPW, etc.)
* Arbitrary number of local-orbitals allowed (all core states can be made
valence for example)
* Total energies resolved into components
* Forces - including incomplete basis set (IBS) and core corrections work
with spin-orbit coupling, non-collinear magnetism and LDA+U
* LSDA, GGA and (potential-only) meta-GGA functionals available
* LDA+U: fully localised limit (FLL), around mean field (AFM) and
interpolation between the two; works with SOC, NCM and spin-spirals
* Isolated molecules or periodic systems
* Core states treated with the radial Dirac equation
* Spin-orbit coupling (SOC) included in second-variational scheme
* Non-collinear magnetism (NCM) with arbitrary on-site magnetic fields
* Fixed spin-moment calculations (with SOC and NCM)
* Time-dependent density functional theory (TDDFT) for linear optical
response calculations
* First-order optical response
* Non-linear optical (NLO) second harmonic generation
Elk is parallelized via hybrid OpenMP/OpenMPI.Upload more screenshots
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