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Results tagged with electromagnetic-radiation
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user 76712
Propagating solutions to Maxwell’s equations in classical electromagnetism and real photons in quantum electrodynamics. A superset of thermal-radiation.
9
votes
Non-complex proof that the electric and magnetic fields are perpendicular in a plane wave
It is not clear from the question, but let's assume we are in free space/vacuum. Then the Maxwell equations read:
$$
\nabla \cdot \mathbf E = 0\\
\nabla \cdot \mathbf B = 0\\
\nabla \times \mathbf E = …
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