High-energy, Rytov, eikonal expansions

Roberto Car, G. M. Cicuta, D. Zanon, F. Riva

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


The long-debated problem of the corrections proposed to the Glauber eikonal approximation in potential scattering theory is here studied in a general and elementary framework. A number of expansions is described and the Fourier-Bessel representation of Wallace is easily obtained in the high-energy limit. Our approach has meaningful analogies with similar methods in quantum field theory. A newly proposed approximation for the scattering amplitude has some optimal features.

Original languageEnglish (US)
Pages (from-to)253-271
Number of pages19
JournalIl Nuovo Cimento A Series 11
Issue number2
StatePublished - May 1977

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Astronomy and Astrophysics


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