Gauge theory

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

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Notion

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Science and technology

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What Wikipedia says

In physics, a gauge theory is a type of field theory in which the Lagrangian, and hence the dynamics of the system itself, does not change under local transformations according to certain smooth families of operations (Lie groups). Formally, the Lagrangian is invariant under these transformations.

Excerpt from the Wikipedia article “Gauge theory”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Joel Holdsworth (Joelholdsworth), Public domain, via Wikimedia Commons.