Article
Article
Quantum electrodynamics
Article By:
Kinoshita, Toichiro Laboratory of Nuclear Studies, Cornell University, Ithaca, New York.
Last reviewed:January 2020
DOI:https://doi.org/10.1036/1097-8542.562600
The field of physics that studies the interaction of electromagnetic radiation with electrically charged matter within the framework of relativity and quantum mechanics. It is the fundamental theory underlying all disciplines of science concerned with electromagnetism, such as atomic physics, chemistry, biology, the theory of bulk matter, and electromagnetic radiation.
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