Fermion number operator
= Fermion number operator
{title2=$F$}
The fermion number operator counts occupied fermionic modes. Its parity $(-1)^F$ is positive on even exterior degree and negative on odd exterior degree.
= Fermion number operator
{title2=$F$}
The fermion number operator counts occupied fermionic modes. Its parity $(-1)^F$ is positive on even exterior degree and negative on odd exterior degree.