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Relativistically covariant chronological ordering of interaction lagrangians

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

Abstract

A general form of chronological ordering is proposed, based on introduction of relativistically invariant multipoint step functions τ(x1, ..., xn). A system of recursive relations is established for these functions, which guarantees that the scattering matrix is unitary, covariant, and causal. The explicit form of the first four τ-functions is found. A comparative analysis of the known methods of chronological ordering is given.

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Authors and Affiliations

  1. Patrice Lumumba Peoples' Friendship University, Moscow

    A. V. Zorin

Authors
  1. A. V. Zorin
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Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 5, pp. 70–73, May, 1990.

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Zorin, A.V. Relativistically covariant chronological ordering of interaction lagrangians. Soviet Physics Journal 33, 441–443 (1990). https://doi.org/10.1007/BF00896086

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  • DOI: https://doi.org/10.1007/BF00896086

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