Relativistic Effects in Many-Body Systems
The introduction of relativity into many-body systems produces a number of new effects, and a number of new problems. First among the latter might be the difficulty in defining what a “relativistic effect” might be. As we shall discuss below, relativity in a many-body system necessarily implies the use of QED. Thus, any attempt to differentiate between “relativistic effects” and “QED effects” must be rather arbitrary, and not necessarily desirable. At the opposite extreme, many “relativistic effects” can be approximately incorporated into nonrelativistic calculations through introduction of familiar operators such as spin-orbit, spin-other-orbit, etc., into the Schrodinger equation. Thus the wisest procedure seems to be to not specifically define “relativistic effects” at the beginning, but rather to plunge right in and let the discussion itself provide a rough definition.
KeywordsRelativistic Effect Dirac Equation Oscillator Strength Body Equation Lamb Shift
Unable to display preview. Download preview PDF.
- 3.Recent reviews of the experimental situation have been given, for highly ionized atoms by W. Martin, and for inner shell energies, by R. D. Deslattes and E. G. Kessler. Both reviews can be found in the Proceedings of the Workshop on the Foundations of the Relativistic Theory of Atomic Structure, ed by H. G. Berry, K. T. Cheng, W. R. Johnson, and Y.-K. Kim, Argonne National Lab. Report ANL 80–126 (1980)Google Scholar
- 5.R. H. Garstang and D. F. Mayers, Proc. Camb. Phil. Soc. 62, 777 (1966); V. M. Burke and I. P. Grant, Proc. Phys. Soc. 90, 297 (1967)Google Scholar
- 8.A. I. Akheizer and V. B. Berestetskii, Quantum Electrodynamics ( Interscience, New York ) 1965Google Scholar
- 14.H. Promakoff and T. Holstein, Phys. Rev. 55, 218 (1938); C. Chanmugam and S. S. Schweber, Phys. Rev. 1369 (1970) M. H. Mittleman, Phys. Rev. A4, 893 (1971)Google Scholar
- 15.M. H. Mittleman, as reported at the Workshop on the Foundation of the Relativistic Theory of Atomic Structure, Argonne National Lab.; Dec. 4–5, 1980Google Scholar
- 16.S. Manson, Private communicationGoogle Scholar
- 23.P. J. Möhr, given at the NATO Advanced Institute on Relativistic Effects in Atoms, Molecules, and Solids, Vancouver, BC., August 1981. To be published in the Proceedings thereof (Plenum )Google Scholar