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Ali Lavasani
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Quantum Electrodynamics (QED) has some observable effects such as the lamb shift, which is mainly caused by the vacuum polarization and the electron self-energy. These effects contribute to the "smearing" of the electron in an unpredictable manner, other than the uncertainty we already have about the electron's position due to Heisenberg's uncertainty principle.Now I'm curious, can we produce a random variable, the randomness of which is coming from such QED effects, and not the regular quantum uncertainty (aka even if we could somehow circumvent the uncertainty principle, it would still be unpredictable due to such QED effects)?I myself was thinking that maybe the thermal noise in a conductor might have some QED-related randomness, because the electrons in metallic bonds are subject to strong nucleus electric fields responsible for the lamb shift.