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Antigone
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In a Wikipedia article about two-photon physics it is stated: "From quantum electrodynamics it can be found that photons cannot couple directly to each other, since they carry no charge, but half wavelength is a positive charge and the next half wavelength is a negative charge."
This is the article:
http://en.wikipedia.org/wiki/Two-photon_physics
Does the statement "half wavelength is a positive charge and the next half wavelength is a negative charge" mean that photon actually consists of negative and positive charges at once? That one half of the wavelength is positive and the other one is negative? Is that a true statement?
This is the article:
http://en.wikipedia.org/wiki/Two-photon_physics
Does the statement "half wavelength is a positive charge and the next half wavelength is a negative charge" mean that photon actually consists of negative and positive charges at once? That one half of the wavelength is positive and the other one is negative? Is that a true statement?