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Furry’s picture in the path integral framework

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Il Nuovo Cimento A (1965-1970)

Summary

We obtain the Feynman rules for QED in the presence of an external field in the path integral framework, establishing this way the path integral version of Furry’s picture. We illustrate our method by constructing explicitly the exact path integral expression for the propagator of a relativistic charged particle of spin one-half in the presence of a plane-wave external field.

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Author notes

  1. C. Farina

    Present address: Istituto de Física do Universidade Federal do Rio de Janeiro, Brazil

Authors and Affiliations

  1. Instituto de Física, Universidade Federal do Rio de Janeiro, 21945, Rio de Janeiro, RJ, Brazil

    A. Vaidya

  2. Departamento de Física Teórica, Universidad de Zaragoza, 50.009, Zaragoza, Spain

    C. Farina

  3. Departamento de Física e Química, Universidade Federal Paulista, 12500, Guaratinguetá, SP, Brazil

    M. Hott

Authors
  1. A. Vaidya
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  2. C. Farina
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  3. M. Hott
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Vaidya, A., Farina, C. & Hott, M. Furry’s picture in the path integral framework. Nuov Cim A 105, 925–934 (1992). https://doi.org/10.1007/BF02730833

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  • DOI: https://doi.org/10.1007/BF02730833

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