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quantum field theory

DEFINITIONS OF: quantum field theory

1

n 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

Types:
QED, quantum electrodynamics
a relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons
QCD, quantum chromodynamics
a theory of strong interactions between elementary particles (including the interaction that binds protons and neutrons in the nucleus); it assumes that strongly interacting particles (hadrons) are made of quarks and that gluons bind the quarks together
Type of:
quantum physics
the branch of physics based on quantum theory
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