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History and Some Aspects of the Lamb Shift
Published 2020-04-01“…The measurement of this shift in 1947 by Willis Lamb Jr. proved that the prediction by Dirac theory that the energy levels were degenerate was incorrect. …”
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New Insights into the Lamb Shift: The Spectral Density of the Shift
Published 2022-10-01“…The measurement of this shift in 1947 by Willis Lamb Jr. proved that the prediction by Dirac theory that the energy levels were degenerate was incorrect. …”
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