Double-logarithmic two-loop self-energy corrections to the Lamb shift

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Abstract

Logarithmic self-energy corrections evaluated within the Zα expansion were addressed. Lamb-shift "potentials" that give rise to the logarithmic corrections were derived within the context of bound-state quantum electrodynamics (QED). Furthermore, rigorous and detailed derivation of the B62 double-logarithmic two-loop self-energy coefficient for P states and states with higher angular momenta based on nonrelativistic quantum electrodynamics (NRQED) was completed.

Original languageEnglish
JournalPhysical Review A
Volume66
Issue number2
Publication statusPublished - Aug 2002

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quantum electrodynamics
shift
derivation
angular momentum
expansion
energy
coefficients

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Atomic and Molecular Physics, and Optics

Cite this

Double-logarithmic two-loop self-energy corrections to the Lamb shift. / Jentschura, U.; Nándori, I.

In: Physical Review A, Vol. 66, No. 2, 08.2002.

Research output: Contribution to journalArticle

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