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Free massless scalar field in two-dimensional space-time: Revisited

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Zeitschrift für Physik C Particles and Fields

Abstract

The indefinite-metric quantum field theory of the two-dimensional free massless scalar field proposed previously is reinvestigated. In order to reply to various criticisms of it, subtle points are discused in detail, and it is shown that the formalism is free from contradictions. In particular, its is emphasized that the non-uniqueness of the translationally invariant states is consistent with the irreducibility of the field algebra in the theory with indefinite metric.

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Authors and Affiliations

  1. Research Institute for Mathematical Sciences, Kyoto University, 606, Kyoto, Japan

    Noboru Nakanishi

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  1. Noboru Nakanishi
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Nakanishi, N. Free massless scalar field in two-dimensional space-time: Revisited. Z. Phys. C - Particles and Fields 4, 17–25 (1980). https://doi.org/10.1007/BF01477303

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  • DOI: https://doi.org/10.1007/BF01477303

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