Title: Quantum Spectral Curve And AdS3/CFT2

Speaker: Simon Ekhammar

Affiliation: Uppsala University, Sweden

Time: 16:00-17:00, Tuesday, 11th April, 2023 (UTC+8, Beijing Time)

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

Inviter: Ryo Suzuki

Simon Ekhammar-Quantum Spectral Curve And AdS3CFT2-20230411.pdf

Abstract  

The Quantum Spectral Curve (QSC) is a powerful integrability-based formalism capable of computing the non-perturbative spectrum of planar N=4 SYM. The success and utility of QSC motivate trying to extend it beyond N=4 to other instance of the AdS/CFT correspondence where integrability is expected to be present. Recently two different groups proposed identical conjectures for a QSC describing planar string theory on AdS3*S3*T4 with pure RR-flux. The conjectures were based on symmetry arguments of the Q-system underlying the QSC construction.

I will review the basics of the QSC framework in the well-understood AdS5 case. Thereafter I will explain the conjectured curve and how it differs from previous iterations of the QSC. Furthermore, I will discuss recent perturbative results with a peculiar structure. Hopefully, these results can soon be confirmed, or disproved, by using the recently constructed TBA for AdS3.

Speaker

Simon Ekhammar is a PhD student (finishing soon) at Uppsala University in Sweden, with the supervisor of Professor Dmytro Volin. He has worked out several papers about supergravity, integrable systems and AdS/CFT.