quantum field theory

1. 1.

   the branch of quantum physics that is concerned with the theory of fields; it was motivated by the question of how an atom radiates light as its electrons jump from excited states

   Broaderquantum physics

   Narrowerquantum electrodynamicsquantum chromodynamics

Questions about quantum field theory

What does quantum field theory mean?

quantum field theory means "the branch of quantum physics that is concerned with the theory of fields; it was motivated by the question of how an atom radiates light as its electrons jump from excited states".

Is quantum field theory a common word?

quantum field theory is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.