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zonde
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I would like to understand basic construction of entanglement "explanation" in QED.vanhees71 said:It [entanglement] should be "explained" using QED, and this tells us (by construction of the theory) that everything is causal, and interactions are local, particularly also the detection of a photon in a photodetector is local.
As I understand because we talk about coincidences QED explanation necessarily involves Fock states. And Fock states are expressed using annihilation and creation operators, right?