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Causality of the quasi-particle pole in strong coupling theories

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Zeitschrift für Physik A Hadrons and Nuclei

Abstract

Conflicting statements on the boundary condition for the causal propagation of quasi-particles are related to a consistency criterion for perturbation theory in strong fields. It is shown, that the two descriptions coincide in the commonly accepted physical region.

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Author notes

  1. Peter A. Henning

    Present address: Gesellschaft für Schwerionenforschung GSI, Postfach 110552, W-6100, Darmstadt, Germany

Authors and Affiliations

  1. Institut für Kernphysik, Technische Hochschule Darmstadt, W-6100, Darmstadt, Germany

    Peter A. Henning

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  1. Peter A. Henning
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Henning, P.A. Causality of the quasi-particle pole in strong coupling theories. Z. Physik A - Hadrons and Nuclei 345, 227–229 (1993). https://doi.org/10.1007/BF01293349

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  • DOI: https://doi.org/10.1007/BF01293349

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