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# Quantum electrodynamics/Related Articles

From Citizendium, the Citizens' Compendium

*See also changes related to Quantum electrodynamics, or pages that link to Quantum electrodynamics or to this page or whose text contains "Quantum electrodynamics".*

## Parent topics

- Standard Model [r]: A mathematical theory that describes the weak, electromagnetic and strong interactions between leptons and quarks, the basic particles of particle physics.
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## Subtopics

- Vacuum (quantum electrodynamic) [r]: The term
*quantum electrodynamic vacuum*, or QED vacuum, refers to the ground state of the electromagnetic field, which is subject to fluctuations about a dormant zero average-field condition.^{[e]} - Zero-point energy [r]: The lowest possible energy that a quantum mechanical physical system may possess; it is the energy of the ground state of the system.
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- Maxwell equations [r]: Mathematical equations describing the interrelationship between electric and magnetic fields; dependence of the fields on electric charge- and current- densities.
^{[e]} - Photon [r]: elementary particle with zero rest mass and unit spin associated with the electromagnetic field.
^{[e]} - Quantum mechanics [r]: An important branch of physics dealing with the behavior of matter and energy at very small scales.
^{[e]} - Quantization of the electromagnetic field [r]: Operation on electromagnetic field that brings it into quantum mechanical context; formal definition of photons.
^{[e]} - Special relativity [r]: Theory of the effects of motion on observations of things such as length, time, mass and energy. The theory is based on the postulates that all laws of physics are the same in all inertial reference systems, and that the vacuum speed of light is a universal constant, independent of the speed of the source.
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