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Contributions to the Binding, Two-Loop Correction to the Lamb Shift

K. Pachucki
Journal / Anthology

Physical Review A
Year: 1993
Volume: 48
Issue: 4
Page range: 2609-2614

In this paper, I present an evaluation of the two-loop diagrams, including the closed electron loop, which contribute to the Lamb shift in (alpha/pi)2 (Z alpha)5/n3 order. These corrections sum to 2.71061(1) for S states, which gives a 37.41-kHz shift for the 1S state of the hydrogen atom.

*Science > Physics > Quantum Physics