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

被引：0
|
作者：
Barak Gabai
Dalimil Mazáč
Andrei Shieber
Pedro Vieira
Yehao Zhou
机构：
[1] Perimeter Institute for Theoretical Physics,Jefferson Physical Laboratory
[2] Harvard University,C.N. Yang Institute for Theoretical Physics
[3] Stony Brook University,Simons Center for Geometry and Physics
[4] Stony Brook University,undefined
[5] ICTP South American Institute for Fundamental Research,undefined
[6] IFT-UNESP,undefined
来源：
Journal of High Energy Physics | / 2019卷
关键词：
Integrable Field Theories; Scattering Amplitudes; Field Theories in Lower Dimensions;
D O I：
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中图分类号：
学科分类号：
摘要：
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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