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	Born-Oppenheimer-approximationen	Hartree-Fock-metoden
Ämnesområde	Kvantdatorteknik	Kvantdatorteknik
Familj	Machine learning	Machine learning
Ursprungsår	1927	1928
Upphovsperson	Max Born and Julius Robert Oppenheimer	Douglas Hartree and Vladimir Fock
Typ	Fundamental approximation	Electronic structure method
Ursprungskälla	Born, M., Oppenheimer, J. R. (1927). Zur Quantentheorie der Moleküle. Annalen der Physik, 84, 457–484.	Fock, V. (1930). Näherungsmethode zur Lösung des quantenmechanischen Mehrkörperproblems. Zeitschrift für Physik, 61, 126–148.
Alias	BO approximation, clamped nuclei	HF, self-consistent field
Närliggande	3	4
Sammanfattning	The Born-Oppenheimer (BO) Approximation is a foundational assumption in molecular quantum mechanics that nuclei can be treated as fixed while solving for electrons, and vice versa. Introduced by Born and Oppenheimer in 1927, this separation reduces the complex many-body electronic-nuclear problem to a sequence of simpler problems, enabling nearly all molecular calculations.	The Hartree-Fock (HF) method is a foundational self-consistent field approach for solving the many-electron Schrödinger equation. Developed independently by Douglas Hartree and Vladimir Fock in the late 1920s, it approximates the ground state by assuming electrons move in an average field generated by all other electrons, enabling tractable quantum chemistry calculations.