Energy density in density functional theory: Application to crystalline defects and surfaces
β Scribed by Yu, Min; Trinkle, Dallas R.; Martin, Richard M.
- Book ID
- 120380526
- Publisher
- The American Physical Society
- Year
- 2011
- Tongue
- English
- Weight
- 675 KB
- Volume
- 83
- Category
- Article
- ISSN
- 1098-0121
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π SIMILAR VOLUMES
We present an analysis of local or semilocal density functionals for the Ε½ exchangeαcorrelation energy by decomposing them into their gradients r local Seitz s . Ε½ . Ε½ . radius , relative spin polarization , and s reduced density gradient . We explain the numerical method pertaining to this kind of
polymer melts is formulated and applied to polyethylene.
Several different versions of density functional theory (DFT) that satisfy Hohenberg-Kohn theorems are characterized by different definitions of a reference or model state determined by an N-electron ground state. A common formalism is developed in which exact Kohn-Sham equations are derived for sta
It is shown that the claims that density functional theory DFT can handle orbitally degenerate states are ungrounded. The constraint search formulation of DFT allows one to determine a set of densities and eigenvalues for the degenerate term that, however, are neither observables, nor can they be us