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quantum electrodynamics - traduction vers allemand
![[[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")
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Définition
Wikipédia
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. QED mathematically describes all phenomena involving electrically charged particles interacting by means of exchange of photons and represents the quantum counterpart of classical electromagnetism giving a complete account of matter and light interaction.
In technical terms, QED can be described as a perturbation theory of the electromagnetic quantum vacuum. Richard Feynman called it "the jewel of physics" for its extremely accurate predictions of quantities like the anomalous magnetic moment of the electron and the Lamb shift of the energy levels of hydrogen.: Ch1
