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oaioai:doaj.org/article:54b7a954ec3d42949216c36c2b93b378

No particle production in two dimensions: recursion relations and multi-Regge limit

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Publication date
1 February 2019
Publisher
'Springer Science and Business Media LLC'
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    Abstract

    Abstract We introduce high-energy limits which allow us to derive recursion relations fixing the various couplings of Lagrangians of two-dimensional relativistic quantum field theories with no tree-level particle production in a very straightforward way. The sine-Gordon model, the Bullough-Dodd theory, Toda theories of various kinds and the U(N) non-linear sigma model can all be rediscovered in this way. The results here were the outcome of our explorations at the 2017 Perimeter Institute Winter School

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