Fermionic field
= Fermionic field
{wiki=Fermionic_field}
A fermionic field is a type of quantum field that describes particles known as fermions, which have half-integer spin (e.g., spin-1/2, spin-3/2). The most well-known examples of fermions are electrons, protons, and neutrons. Fermions obey the Pauli exclusion principle, which states that no two identical fermions can occupy the same quantum state simultaneously.