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(Seminar) Yang-Mills Theory in the CHY Formalism
2019-05-29  【 】【打印】【关闭

CAS Key Laboratory of Theoretical Physics

Institute of Theoretical Physics

Chinese Academy of Sciences

Seminar

Title

题目

Yang-Mills Theory in the CHY Formalism

Speaker

报告人

C. S. Lam

Affiliation

所在单位

McGill/UBC

Date

日期

2:30pm, May 29, 2019, Wednesday
 

Venue

地点

ITP South (New) Building 6420

Abstract

摘要

n-gluon tree diagrams can be formally expressed as a Mobius-invariant integral over (n-3) complex variables. In order for this CHY formalism to describe the complete Yang-Mills theory, a similar formula must be found for off-shell gluons, namely, all tree-level Green's functions in momentum space. This is a non-trivial task because space-time local interaction and its propagation, as well as local gauge invariance demanded by the Yang-Mills theory, must be directly incorporated into a Mobius-invariant integral of momenta and polarization. I will discuss how this can be done.

Contact Person

所内联系人

Song He
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