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Particles and Fields

Eur. Phys. J. C 22, 593-600 (2001)
DOI: 10.1007/s100520100809

Exact propagators for Dirac particle with anomalous magnetic moment in a plane wave field

N. Boudiaf, T. Boudjedaa and L. Chetouani

Département de Physique, Faculté des Sciences, Université Mentouri, 25000 Constantine, Algeria

(Received: 17 July 2001 / Revised version: 4 October 2001 / Published online: 23 November 2001 - © Springer-Verlag / Società Italiana di Fisica 2001 )

The propagators related to a Dirac particle with anomalous magnetic moment in the presence of a plane wave field are exactly and analytically calculated via the path integral approach in two representations: a global and a local one. It is shown that due to two identities, one bosonic and another fermionic, the path integral calculations are evaluated essentially on classical paths projected along the wave propagation k. Special cases are considered as well.

© Società Italiana di Fisica, Springer-Verlag 2001