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Thermo-field dynamics and one-loop order QED at finite temperature

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Zeitschrift für Physik C Particles and Fields

Abstract

Thermo Field Dynamics is used to evaluate the temperature corrections to: i) the electron mass, ii) the electric and magnetic correlation lengths, and iii) the electron magnetic moment. Calculations are carried out in a covariant way. The results for i) and ii) are consistent with calculations by other authors using different frameworks, while our temperature-dependent correction to the electron magnetic moment (iii)) turns out to differ from the one previously evaluated. Ward-Takahashi identities are obtained and verified as a consistency proof.

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Author notes

  1. R. F. Alvarez-Estrada (Senior Fulbright Fellow)

    Present address: Departamento de Física Teórica, Facultad de Ciencias Físicas, Universidad Complutense, E-28040, Madrid, Spain

Authors and Affiliations

  1. Departamento de Física Teórica, Facultad de Ciencias Físicas, Universidad Complutense, E-28040, Madrid, Spain

    F. Ruiz Ruiz

  2. Theoretical Physics Group, Lawrence Berkeley Laboratory, 94720, Berkeley, CA, USA

    R. F. Alvarez-Estrada (Senior Fulbright Fellow)

Authors
  1. F. Ruiz Ruiz
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  2. R. F. Alvarez-Estrada
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Ruiz, F.R., Alvarez-Estrada, R.F. Thermo-field dynamics and one-loop order QED at finite temperature. Z. Phys. C - Particles and Fields 34, 131–138 (1987). https://doi.org/10.1007/BF01561124

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  • DOI: https://doi.org/10.1007/BF01561124

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