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Field-theory two-point functions via negative dimension integration

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Abstract

One-loop two-point functions play an important role in quantum field theories, being one of the primary divergent Feynman graphs that calls for regularization and renormalization procedures. These well-known functions are here revisited as illustrative for the power and the simplicity of the negative dimensional integration method (NDIM) approach to tackle Feynman integrals with off-shell external fields and massless and massive virtual fields.

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Author notes

  1. Alfredo Takashi Suzuki

    Present address: Department of Physics, North Carolina State Univesity, Raleigh, NC, 27695-8202, USA

Authors and Affiliations

  1. Intituto de Física Teórica-UNESP Universidade Estadual Paulista Rua Dr. Bento Teobaldo Ferraz, 271 - Bloco II - Barra Funda, 01140-070, São Paulo, SP, Brazil

    Alfredo Takashi Suzuki

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  1. Alfredo Takashi Suzuki
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Correspondence to Alfredo Takashi Suzuki.

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Present address: On leave of absence from May 2011 through April 2012

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Suzuki, A.T. Field-theory two-point functions via negative dimension integration. Journal of the Korean Physical Society 60, 704–713 (2012). https://doi.org/10.3938/jkps.60.704

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  • DOI: https://doi.org/10.3938/jkps.60.704

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