Simple derivation of helium Lamb shift

Authors
Pachucki, K
Citation
K. Pachucki, Simple derivation of helium Lamb shift, J PHYS B, 31(23), 1998, pp. 5123-5133
Citations number
15
Categorie Soggetti
Physics
Journal title
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
ISSN journal
09534075 → ACNP
Volume
31
Issue
23
Year of publication
1998
Pages
5123 - 5133
Database
ISI
SICI code
0953-4075(199812)31:23<5123:SDOHLS>2.0.ZU;2-U
Abstract
A simple derivation of Lamb shift in the two-electron helium atom, in the s pirit of nonrelativistic quantum electrodynamics, is presented. Moreover, a complete expression for the leading recoil correction is derived for the f irst time.