Electromagnetic four-potential

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Notion

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Science and technology

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What Wikipedia says

An electromagnetic four-potential is a relativistic vector function from which the electromagnetic field can be derived. It combines both an electric scalar potential and a magnetic vector potential into a single four-vector.

Excerpt from the Wikipedia article “Electromagnetic four-potential”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Geek3, CC BY-SA 3.0, via Wikimedia Commons.