Effects of retardation on electromagnetic self-energy of atomic states

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The significance of retardation effects in photon emissions and absorption is emphasized in the calculation of self-energy. It is explicitly demonstrated that inclusion of such effects leads to a finite answer for the shifts of atomic energy levels in a nonrelativistic theory without cutoff. Ambiguities that exist in the mass renormalization in the non-relativistic approach are pointed out. Such ambiguities vanish from the relativistic theory. Explicit calculation is carried out in the case of hydrogen by utilizing the Coulomb Green's function. The advantage of the present approach in calculating self-energy shift in high Z hydrogenic ions is suggested. (auth)

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Pages: 24

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Au, C.K. & Feinberg, G. January 1, 1972.

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Description

The significance of retardation effects in photon emissions and absorption is emphasized in the calculation of self-energy. It is explicitly demonstrated that inclusion of such effects leads to a finite answer for the shifts of atomic energy levels in a nonrelativistic theory without cutoff. Ambiguities that exist in the mass renormalization in the non-relativistic approach are pointed out. Such ambiguities vanish from the relativistic theory. Explicit calculation is carried out in the case of hydrogen by utilizing the Coulomb Green's function. The advantage of the present approach in calculating self-energy shift in high Z hydrogenic ions is suggested. (auth)

Physical Description

Pages: 24

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Dep. NTIS

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  • Other Information: Orig. Receipt Date: 30-JUN-74

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  • Report No.: COO--2271-24
  • Grant Number: None
  • DOI: 10.2172/4308206 | External Link
  • Office of Scientific & Technical Information Report Number: 4308206
  • Archival Resource Key: ark:/67531/metadc1017924

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1972

Added to The UNT Digital Library

  • Oct. 15, 2017, 10:09 p.m.

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Au, C.K. & Feinberg, G. Effects of retardation on electromagnetic self-energy of atomic states, report, January 1, 1972; United States. (digital.library.unt.edu/ark:/67531/metadc1017924/: accessed June 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.