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The energy-momentum spectrum in theP(ϕ)2 quantum field theory

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Abstract

TheP(ϕ)2 interaction with the periodic boundary conditions is considered. It is shown that the energy-momentum spectrum lies in the forward light cone. As a consequence, this result implies that theP(ϕ)2 theory in the infinite volume with the periodic boundary conditions is Lorentz invariant.

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Authors and Affiliations

  1. Department of Theoretical Physics, Institute for Mathematics, 630090, Novosibirsk, 90, USSR

    Edward P. Heifets & Edward P. Osipov

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  1. Edward P. Heifets
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  2. Edward P. Osipov
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Communicated by A. Jaffe

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Heifets, E.P., Osipov, E.P. The energy-momentum spectrum in theP(ϕ)2 quantum field theory. Commun.Math. Phys. 56, 161–172 (1977). https://doi.org/10.1007/BF01611501

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  • DOI: https://doi.org/10.1007/BF01611501

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