Hybrid RBRC seminar

"Entanglement entropy in (1+1)-d with defects"

Presented by Dr. Fei Yan, Rutgers U., Piscataway

Thursday, December 1, 2022, 12:30 pm — Hybrid: Bldg. 510, Room 2-160

Abstract: In this talk I will explore perspectives of quantum entanglement in (1+1)-d systems in presence of defects. The talk consists of two parts. In the first part, I will talk about the ground state entanglement entropy for 1d quantum spin chains with defects, using the transverse field Ising model and the three-state Potts model as examples. I will also comment on connections to quantum computing and simulation. In the second part, I will briefly describe the field theoretical replica trick approach to study entanglement entropy in such systems. This talk consists of some reviews about existing work, as well as work in progress with Linnea Grans-Samuelsson, Ananda Roy, Hubert Saleur, and Yifan Wang.

Hosted by: Nobuyuki Matsumoto

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