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Hartree product : ウィキペディア英語版
Hartree product

The Hartree product is a system (many-particle) wavefunction, given as a combination of wavefunctions of the individual particle wavefunctions. It is inherently mean-field (assumes the particles are independent) and is the unsymmetrized version of the Slater determinant ansatz in the Hartree–Fock method.
For two particles,
:
\Psi(\mathbf_1,\mathbf_2) = \chi_1(\mathbf_1)\chi_2(\mathbf_2).

This is not satisfactory for fermions, such as electrons, because the resulting wave function is not antisymmetric. An antisymmetric wave function can be mathematically described using the Slater determinant.


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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