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quantum physics
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quantum electrodynamics
quan·tum e·lec·tro·dy·nam·ics


noun 
Definition:
 
quantum mechanics dealing with electromagnetic interactions: a quantum field theory that describes the properties of electromagnetic radiation and its interaction with electrically charged particles
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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