I have read it said a few times that a photon cannot be described by a wave-function but I am not far enough along in my QFT to know why. What's the story here?(adsbygoogle = window.adsbygoogle || []).push({});

And is this the same thing as saying that one cannot answer the question "What is the probability of observing the photon in volume dV?" And if so, well, isn't a diffraction pattern on a screen a statistical expression of the probability associated with the individual photons?

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# No photon wavefunction?

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