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

CAS Key Laboratory of Theoretical Physics

Institute of Theoretical Physics

Chinese Academy of Sciences

Seminar

Title

題目

Yang-Mills Theory in the CHY Formalism

Speaker

報告人

C. S. Lam

Affiliation

所在單位

McGill/UBC

Date

日期

2:30pm, May 29, 2019, Wednesday
 

Venue

地點

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

所內聯系人

Song He
IE6.0浏览器,1024X768分辨率 版权所有 ? 中国科学院理论物理研究所
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