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An analysis of infrared divergences

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Il Nuovo Cimento (1955-1965)

Summary

A concise and rigorous treatment is given of the infrared divergences of quantum electrodynamics, by using a technique previously developed in connection with ultraviolet renormalization. The result is essentially equivalent to an extension of the classical Bloch-Nordsieck formula, and is independent of perturbative methods.

Riassunto

Le divergenze infrarosse della elettrodinamica quantistica vengono trattate in modo rigoroso e conciso, mediante tecniche elaborate a scopo rinormalizzativo. Si ottiene, in modo indipendente da metodi perturbativi, la naturale estensione della formula classica di Bloch-Nordsieck.

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References

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Author information

Authors and Affiliations

  1. Istituto di Fisica Teorica dell’Università, Napoli

    E. R. Caianiello & S. Okubo

  2. Istituto Nazionale di Fisica Nucleare, Sottosezione di Napoli, Italy

    E. R. Caianiello & S. Okubo

Authors
  1. E. R. Caianiello
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  2. S. Okubo
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Additional information

This work was done in part at the Ecole Normale Supérieure, Paris. The authors express their warm thanks to Prof.M. Lévy for the kind hospitality they enjoyed there.

« The research reported in this document has been sponsored in part by the Office Chief of Research and Development, U. S. Department of the Army, through its European Office under contract no. DA-91-591-EUC-1096 ».

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Caianiello, E.R., Okubo, S. An analysis of infrared divergences. Nuovo Cim 17, 355–364 (1960). https://doi.org/10.1007/BF02860262

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  • DOI: https://doi.org/10.1007/BF02860262

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