The wave function for fermions has to be anti-symmetric with respect to exchange of positions of electrons, but what if it depends on wave vector as well. Does they have to be exchanged as well, in other words, for two-electron system what is correct(adsbygoogle = window.adsbygoogle || []).push({});

Ψ(r_{1},k_{1},r_{2},k_{2}) = - Ψ(r_{2},k_{1},r_{1},k_{2})

or

Ψ(r_{1},k_{1},r_{2},k_{2}) = - Ψ(r_{2},k_{2},r_{1},k_{1})

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# A Symmetrisation of wave function for fermions

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