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The 79 pages that link to Quantum electrodynamics, each with the reason it gives.

• Quantum field theoryBroader topic: It provides a precise example of quantum fields making highly accurate predictions.

• ElectromagnetismBroader topic: It replaces classical fields with a quantum account at microscopic scales.

• Gauge theoryBroader topic: It is the abelian gauge theory associated with electromagnetic phase symmetry.

• Richard FeynmanBroader topic: Feynman’s most celebrated theoretical work helped make this theory calculable.

• Gauge symmetryBroader topic: Its local U(1) symmetry governs the coupling of charged matter to photons.

• Path integral formulationBroader topic: Feynman’s path-integral methods became central to calculating its amplitudes.

• RenormalizationBroader topic: Its renormalized predictions, including the electron’s magnetic moment, are extraordinarily precise.

• Electromagnetic interactionBroader topic: It gives the interaction's precise quantum description and calculable scattering probabilities.

• Creation and annihilation operatorsBroader topic: Photon creation and annihilation operators describe quantized electromagnetic modes.

• Electroweak theoryBroader topic: It is the electromagnetic sector that electroweak theory contains at low energies.

• Fundamental interactionBroader topic: It gives a precise account of electromagnetic interaction at particle scales.

• Feynman rulesBroader topic: Its electron-photon vertex and propagators give a canonical rule set.

• Electromagnetic four-potentialBroader topic: Its photon field is quantized through the electromagnetic four-potential.

• QuantizationBroader topic: It demonstrates successful quantization of the electromagnetic field.

• Ward–Takahashi identityBroader topic: Its vertex and electron propagator obey the standard Ward–Takahashi relation.

• History of quantum mechanicsBroader topic: Its development in the 1940s resolved infinities and produced highly precise predictions.

• History of subatomic physicsBroader topic: Its precision tests marked a major success of postwar particle theory.