gauge theory(redirected from Gauge invariance)
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Any of various theories based upon a gauge symmetry. Current fundamental theories, such as the standard model of particle physics, are gauge theories.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Nuclear Physics) physics a type of theory of elementary particles designed to explain the strong, weak, and electromagnetic interactions in terms of exchange of virtual particles
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