CFT in AdS

by Zimo Sun (Princeton University)

Wednesday 15 Jul 2026, 14:00 → 15:00 Asia/Shanghai

B105 (CHEP)

 Euclidean AdS is equivalent to the half-space by a Weyl transformation, providing a convenient setup for studying boundary CFT and interface CFT (the latter after performing the folding trick). I will discuss boundary criticality of the Wilson-Fisher (WF) CFT and interface criticality of the Gross-Neveu-Yukawa (GNY) CFT in this setup. In the first half of the talk, I will present an epsilon-expansion result for the boundary central charge of the normal boundary transition of the WF CFT, and compare it with a recent fuzzy sphere result. In the second part, I will present a novel surface fixed point in the 3d GNY model using large N arguments.

Zimo Sun received his undergraduate degree from Peking University and his Ph.D. from Columbia University. After completing his doctorate, he held a postdoctoral position at Princeton University and is currently a postdoctoral member at the Institute for Advanced Study. His research focuses on quantum cosmology and critical phenomena.