A Journey on Riemann Spheres: From Scattering Equations to Amplitudes and Form Factors

admin   2017-08-28 16:00:33   4174

报告题目:A Journey on Riemann Spheres: From Scattering Equations to Amplitudes and Form Factors
报告时间:2017-09-04 15:00 (星期一)
报告地点:long8唯一官方网站北洋园校区32楼B140
报告人:刘正文 博士(Université catholique de Louvain, Belgium)

报告摘要:The Cachazo-He-Yuan formalism expresses the S-matrix as a multiple integral over the moduli space of Riemann spheres with marked points, which is localised by a set of the scattering equations, for various field theories in any number of spacetime dimensions. In this talk, I will give a short introduction to the basic aspects of the scattering equations and CHY formulation, and then will also present some recent developments in this field with a special focus on four-dimensional spacetime.


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