The S-matrix bootstrap. II: Two dimensional amplitudes
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Publication:1706950
DOI10.1007/JHEP11(2017)143zbMATH Open1383.81331arXiv1607.06110MaRDI QIDQ1706950
Author name not available (Why is that?)
Publication date: 28 March 2018
Published in: (Search for Journal in Brave)
Abstract: We consider constraints on the S-matrix of any gapped, Lorentz invariant quantum field theory in 1 + 1 dimensions due to crossing symmetry and unitarity. In this way we establish rigorous bounds on the cubic couplings of a given theory with a fixed mass spectrum. In special cases we identify interesting integrable theories saturating these bounds. Our analytic bounds match precisely with numerical bounds obtained in a companion paper where we consider massive QFT in an AdS box and study boundary correlators using the technology of the conformal bootstrap.
Full work available at URL: https://arxiv.org/abs/1607.06110
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