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Infrared asymptotics of the quark propagator in a Bloch-Nordsieck-type model

  • Elementary Particles and Fields
  • Published:
Acta Physica Hungarica

Abstract

Assuming ak −4 singularity for the infrared behaviour of the gluon propagator in QCD, in a Bloch-Nordsieck-type model it is shown that the quark propagator is an entire function or vanishing in the infrared limit depending on the gauge used. In special cases one can restore the free propagator, too.

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Authors and Affiliations

  1. Institute for Theoretical Physics, Roland Eötvös University, 1088, Budapest, Hungary

    G. Pócsik

  2. Computing Centre, Roland Eötvös University, 1088, Budapest, Hungary

    T. Torma

Authors
  1. G. Pócsik
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  2. T. Torma
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Dedicated to Prof. K. Nagy on his 60th birthday

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Pócsik, G., Torma, T. Infrared asymptotics of the quark propagator in a Bloch-Nordsieck-type model. Acta Physica Hungarica 62, 101–105 (1987). https://doi.org/10.1007/BF03155959

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  • DOI: https://doi.org/10.1007/BF03155959

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