Сравнение на методи
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| Метод на Коринга-Кон-Ростокер (KKR)× | Теория на функционала на плътността× | Модел на плътно свързване× | |
|---|---|---|---|
| Област | Квантови изчисления | Квантови изчисления | Квантови изчисления |
| Семейство | Machine learning | Machine learning | Machine learning |
| Година на възникване≠ | 1947 | 1965 | 1954 |
| Създател≠ | Joop Korringa and Walter Kohn | Walter Kohn | John Slater and George Koster |
| Тип≠ | Electronic structure method | Electronic structure method | Simplified electronic structure model |
| Основополагащ източник≠ | Korringa, J. (1947). On the calculation of the energy of a Bloch wave in a metal. Physica, 13, 392–400. DOI ↗ | Kohn, W., Sham, L. J. (1965). Self-consistent equations including exchange and correlation effects. Physical Review, 140, A1133–A1138. DOI ↗ | Slater, J. C., Koster, G. F. (1954). Simplified LCAO method for the periodic potential problem. Physical Review, 94, 1498–1524. DOI ↗ |
| Други названия | KKR, multiple scattering | DFT, Kohn-Sham equations | TB model, hopping model |
| Свързани≠ | 3 | 4 | 3 |
| Резюме≠ | The Korringa-Kohn-Rostoker (KKR) method is a powerful multiple-scattering approach for calculating electronic band structures and properties of periodic and disordered solids. Developed in the late 1940s, KKR treats electrons as scattering from atomic potentials in a muffin-tin geometry, enabling efficient calculations for both crystalline and amorphous systems. | Density Functional Theory (DFT) is a computational method for determining the properties of materials and molecules by modeling the ground state electron density. Developed by Walter Kohn and Lu Jeu Sham in the 1960s, DFT reduces the complexity of quantum chemistry from tracking individual electron coordinates to optimizing the total electron density, enabling efficient simulations of large molecular and condensed-matter systems. | The Tight-Binding (TB) model is a simplified semi-empirical approach for computing electronic band structures and properties of solids. Formulated by Slater and Koster in 1954, TB treats electron hopping between atomic sites as the dominant interaction, enabling efficient calculations of band dispersion for a wide variety of materials. |
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