return to homepage Screening in QED Screening is a mechanism used to explain the fall off of charge at greater distances. Using the beta function, Landau showed that any value for a bare charge at a finite distance would create an effective charge of zero. This created the famous “zero-charge problem.” Since QED is considered not to be asymptotically free by many, this problem can only be solved by screening, and even then QED may be inconsistent at very high energies. In short, screening uses the vacuum to screen the charge. The vacuum is given polarity in the presence of charge. In this way, the electron uses up some of its charge interacting with the vacuum. More distance, more vacuum, less charge. In my theory, all this is thrown out, since we don’t need it. We don’t need an esoteric explanation of diminishment of charge, since we have a simple mechanical explanation of it. In my theory, charge is caused by an emitted field of This does away with the infinity involved in the bare charge (using Maxwell’s equations), since the electron is not a point particle. There are no points in my math or my theory, so we do not have to renormalize our way out of infinities or singularities. The bare charge is then defined as the density of the
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