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- Time-dependent density-functional theory calculations (category Time-dependent density functional theory) (section Time-dependent Hartree-Fock)VASP offers a powerful module for performing time-dependent density-functional theory (TDDFT) or time-dependent Hartree-Fock (TDHF) calculations by solving...5 KB (663 words) - 17:44, 7 February 2024
- Bethe-Salpeter-equations calculations (category Many-body perturbation theory)Accurate optical spectra through time-dependent density functional theory based on screening-dependent hybrid functionals, Phys. Rev. Research 2, 032019...13 KB (1,912 words) - 17:34, 7 February 2024
- diagonalization IBSE = 1: Time evolution IBSE, BSEPREC, NBANDSV, NBANDSO, CSHIFT, OMEGAMAX, BSE calculations, Time-dependent density-functional theory calculations...661 bytes (57 words) - 11:59, 20 October 2023
- BSEPREC (category Many-body perturbation theory)NBANDSV, NBANDSO, CSHIFT, OMEGAMAX, BSE calculations, Time-dependent density-functional theory calculations, Bethe-Salpeter equations...1 KB (151 words) - 11:59, 20 October 2023
- approximation. These can be evaluated using either the implemented density functional perturbation theory (LEPSILON=.TRUE.), or the GW routines. The method selected...4 KB (544 words) - 15:09, 2 February 2024
- G. Kresse, Macroscopic dielectric function within time-dependent density functional theory—Real time evolution versus the Casida approach , J. Chem. Phys...19 members (0 subcategories, 0 files) - 17:45, 7 February 2024
- Practical guide to GW calculations (category Many-body perturbation theory) (section Optional: Use Hybrid functionals)1 . To improve convergence to the ground-state, the charge density (and the charge density only) is mixed using a Kerker type mixing in VASP.5.3.2 and...34 KB (5,119 words) - 09:01, 21 February 2024
- {\displaystyle \omega } ). This option performs a time-dependent Hartree-Fock or time-dependent density-functional-theory (TDDFT) calculation. It follows the Casida...27 members (2 subcategories, 0 files) - 13:49, 9 February 2024
- or density-functional-perturbation theory (DFPT) approaches, it is possible to compute the phonon dispersion relation as well as the phonon density of...9 KB (1,123 words) - 15:31, 23 February 2024
- Category:Many-body perturbation theory (section Theory)Many-body perturbation theory includes screening and renormalization effects beyond the density-functional theory (DFT). It is based on the Green's-function...74 members (6 subcategories, 0 files) - 13:42, 8 April 2022
- Category:Parallelization (section Theory)the size of the cell, etc. Different algorithms (density-functional theory, many-body perturbation theory, or molecular dynamics) require a separate optimization...18 members (0 subcategories, 0 files) - 07:56, 26 July 2022
- respect to a finite external electric field or by using density functional perturbation theory LEPSILON. Both LEPSILON or LCALCEPS yield the same converged...31 members (5 subcategories, 0 files) - 10:14, 9 February 2024