Lamb shift in nonrelativistic quantum electrodynamics
- 1 January 1981
- journal article
- Published by American Association of Physics Teachers (AAPT) in American Journal of Physics
- Vol. 49 (1) , 48-51
- https://doi.org/10.1119/1.12608
Abstract
The bound electron self-energy or Lamb shift is calculated in nonrelativistic quantum electrodynamics. Retardation is retained and also the σ⋅Brad interaction previously dropped in other nonrelativistic approaches is kept. The results are finite without the introduction of a cutoff, and they lead to a Lamb shift in hydrogen of 1030.9 MHz, which is about 2.5% less than the standard relativistic calculation.Keywords
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