Bounding scattering of charged particles in 1+1 dimensions

被引：0
|
作者：
Miguel F. Paulos
Zechuan Zheng
机构：
[1] UPMC Univ. Paris 06,Laboratoire de Physique Théorique de l’École Normale Supérieure, PSL University, CNRS, Sorbonne Universités
来源：
Journal of High Energy Physics | / 2020卷
关键词：
Field Theories in Lower Dimensions; Global Symmetries;
D O I：
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摘要：
We obtain general bounds on scattering processes involving charged particles in 1+1 spacetime dimensions. After a general analysis we derive mostly numerical bounds on couplings in theories with O(N ) and U(N ) global symmetries. The bounds are consistently saturated by S-matrices without particle production, and in many cases by known integrable S-matrices. Our work provides a blueprint for a similar analysis in higher dimensions.
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