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What (who) is quantum electrodynamics - definition
Quantum electrodynamics
![[[Compton scattering]]](https://commons.wikimedia.org/wiki/Special:FilePath/Compton Scattering.svg?width=200 "[[Compton scattering]]")
![[[Paul Dirac]]](https://commons.wikimedia.org/wiki/Special:FilePath/Dirac 3.jpg?width=200 "[[Paul Dirac]]")
![[[Electron self-energy]] loop](https://commons.wikimedia.org/wiki/Special:FilePath/Electron self energy loop.svg?width=200 "[[Electron self-energy]] loop")
![[[Feynman diagram]] elements](https://commons.wikimedia.org/wiki/Special:FilePath/Feynman Diagram Components.svg?width=200 "[[Feynman diagram]] elements")
![Los Alamos]].](https://commons.wikimedia.org/wiki/Special:FilePath/Feynman and Oppenheimer at Los Alamos.jpg?width=200 "Los Alamos]].")
![[[Hans Bethe]]](https://commons.wikimedia.org/wiki/Special:FilePath/Hans Bethe.jpg?width=200 "[[Hans Bethe]]")
![One-loop contribution to the [[vacuum polarization]] function \Pi](https://commons.wikimedia.org/wiki/Special:FilePath/vacuum_polarization.svg ?width=200 "One-loop contribution to the [[vacuum polarization]] function \Pi")
![One-loop contribution to the electron [[self-energy]] function \Sigma](https://commons.wikimedia.org/wiki/Special:FilePath/electron_self_energy.svg ?width=200 "One-loop contribution to the electron [[self-energy]] function \Sigma")
![One-loop contribution to the [[vertex function]] \Gamma](https://commons.wikimedia.org/wiki/Special:FilePath/vertex_correction.svg ?width=200 "One-loop contribution to the [[vertex function]] \Gamma")
ABELIAN GAUGE THEORY DESCRIBING QUANTUM INTERACTIONS OF THE ELECTROMAGNETIC FIELD WITH MATTER
Quantum Electrodynamics; Quantum electro-dynamics; Quantum electrodynamic; Quantum electro dynamics; Quantum magnetodynamics; QMD; History of quantum electrodynamics
In particle physics, quantum electrodynamics (QED) is the relativistic quantum field theory of electrodynamics. In essence, it describes how light and matter interact and is the first theory where full agreement between quantum mechanics and special relativity is achieved.
quantum electrodynamics
ABELIAN GAUGE THEORY DESCRIBING QUANTUM INTERACTIONS OF THE ELECTROMAGNETIC FIELD WITH MATTER
Quantum Electrodynamics; Quantum electro-dynamics; Quantum electrodynamic; Quantum electro dynamics; Quantum magnetodynamics; QMD; History of quantum electrodynamics
¦ plural noun [treated as sing.] a theory concerned with the electromagnetic field and its interaction with electrically charged particles.
Cavity quantum electrodynamics
QUANTUM PHYSICS OF LIGHT AND MATTER IN A CAVITY
Cavity QED
Cavity quantum electrodynamics (cavity QED) is the study of the interaction between light confined in a reflective cavity and atoms or other particles, under conditions where the quantum nature of photons is significant. It could in principle be used to construct a quantum computer.
