Electromagnetic wave equation

In vacuum, each field obeys

\nabla^{2} E - c^{- 2} E_{tt} = 0

and

\nabla^{2} B - c^{- 2} B_{tt} = 0

.

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Electromagnetic wave equation by

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The electromagnetic wave equation describes the propagation of electric and magnetic fields in space and time. It is derived from Maxwell's equations, which govern classical electromagnetism.

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