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Covariant technique for nonlocal terms of one-loop radiative currents

  • Elementary Particle Physics and Field Theory
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Soviet Physics Journal Aims and scope

Abstract

Within the bounds of the recently proposed covariant perturbation theory for nonlocal terms of an effective action, we develop a technique for the coincidence limits of the heat kernel, Green functions, polarization operators, and their covariant derivatives. We briefly discuss applications of the obtained results for radiative currents to expectation values and matrix elements of the various field operators.

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Authors and Affiliations

  1. Nuclear Safety Institute, Academy of Sciences of the USSR, Moscow

    A. O. Barvinskii & Yu. V. Gusev

Authors
  1. A. O. Barvinskii
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  2. Yu. V. Gusev
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Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 10, pp. 14–21, October, 1991.

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Barvinskii, A.O., Gusev, Y.V. Covariant technique for nonlocal terms of one-loop radiative currents. Soviet Physics Journal 34, 858–864 (1991). https://doi.org/10.1007/BF00898580

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  • DOI: https://doi.org/10.1007/BF00898580

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