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Lorentz gauge condition

| 🗖 nosplit | ↑ parent "Electromagnetic four-potential" | words: 71 | descendant words: 102 | descendants: 1
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There are several choices of electromagnetic four-potential that lead to the same physics.
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E.g. thinking about the electric potential alone, you could set the zero anywhere, and everything would remain be the same.
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The Lorentz gauge is just one such choice. It is however a very popular one, because it is also manifestly Lorentz invariant.
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Ancestors