Quantum Theory of Many-Particle Systems. II. Study of the Ordinary Hartree-Fock Approximation
- 15 March 1955
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 97 (6), 1490-1508
- https://doi.org/10.1103/physrev.97.1490
Abstract
A system of antisymmetric particles, moving under the influence of a fixed potential and their mutual many-particle interactions, is investigated in the ordinary Hartree-Fock scheme, having the total wave function approximated by a single Slater determinant. It is shown that all the density matrices of various orders, the wave function, and the entire physical situation depends only on a fundamental invariant , which is identical with the first-order density matrix. The Hartree-Fock equations are expressed in terms of this quantity.
Keywords
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