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flame_cmh
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Suppose that two photons are the same and propagation in opposite direction in vacuum, the energy of this system of course is 2h*[tex]\nu[/tex].
When they coincide in position, according to the principle of superposition there is no electric and magnetic field, then the energy disappear at that time??
When they coincide in position, according to the principle of superposition there is no electric and magnetic field, then the energy disappear at that time??
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