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(Online Seminar) An Operator Product Expansion for Form Factors
2020-12-16     Text Size:  A

CAS Key Laboratory of Theoretical Physics

Institute of Theoretical Physics

Chinese Academy of Sciences

 Online Seminar

Title

题目

An Operator Product Expansion for Form Factors

Speaker

报告人

Matthias Wilhelm

Affiliation

所在单位

Niels Bohr Institute

Date

日期

Dec 16 (Wed), 4 pm

Venue

地点

https://zoom.us/j/95131230753

Contact Person

所内联系人

何颂

Abstract

摘要

 In this talk, I discuss an operator product expansion for planar form factors of local operators in N=4 SYM theory. In this expansion, a form factor is decomposed into a sequence of known pentagon transitions and a new universal object - the form factor transition. This transition is subject to a set of non-trivial bootstrap constraints, which can be used to determine it at finite coupling via integrability. I demonstrate this for MHV form factors of the chiral half of the stress tensor supermultiplet, which in particular contains the chiral Lagrangian and the 20'.
  Appendix:
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