Slater determinant
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English
Etymology
Named after John C. Slater, who introduced the determinant in 1929 as a means of ensuring the antisymmetry of a many-electron wavefunction, although the wavefunction in the determinant form first appeared independently in Heisenberg's and Dirac's articles three years earlier.
Noun
Slater determinant (plural Slater determinants)
- (quantum mechanics) An expression that describes the wavefunction of a multifermionic system. It satisfies antisymmetry requirements, and consequently the Pauli exclusion principle, by changing sign upon exchange of two electrons (or other fermions).