Jan Albert  博士学术报告

Title: Imprints of asymptotic freedom on confining strings

Speaker: Jan Albert

Affiliation: Princeton University （普林斯顿大学）

Time: 20:00 - 21:00, Friday,  29th May, 2026 (UTC+8, Beijing Time)

Venue: Zoom Meeting (ID: 385 442 0225; Passcode: yauc)

Inviter: Zhijin Li（李志金）

Abstract

There is a longstanding dream of realizing large-N Yang-Mills theory in D = 3,4 as a theory of confining strings. So far, our knowledge of this putative string is restricted to low energies, where one can use an effective field theory describing small deformations on top of a long flux tube. In this talk I will describe what asymptotic freedom of the underlying gauge theory tells us about the high-energy behavior of the string. First, by comparing the partition function of a short cylinder with a perturbative computation, we will extract the asymptotic behavior of the coupling of closed-string states to a Wilson loop. Second, in a toy integrable setting, we will massage this into an asymptotic causality bound for the reflection matrix of a worldsheet Goldstone boson scattering against the boundary of the string.

Speaker

Dr. Jan Albert did his PhD at Stony Brook University, supervised by Leonardo Rastelli and Zohar Komargodski, where he applied S-matrix bootstrap techniques to large N meson scattering. He is currently a postdoc at the Princeton Center for Theoretical Science, working on confining strings, non-invertible symmetries and other topics.

The seminar will be broadcasted online by Zoom.

Interested people are free to join, without registration in advance.

The Zoom info is

URL: https://us02web.zoom.us/j/3854420225?pwd=SXY4eWJKOTBFZWJDaE16aXpTamY1QT09

Meeting ID: 385 442 0225

Passcode: yauc