Resumming non-linear effects in OTOC (Yingfei Gu, Mar. 29th)
Mar 29, 2023
--------KITS HET Seminars-------
Speaker: Yingfei Gu (Tsinghua IAS)
Time: 10am Mar. 29 (Wed)
Location: 4th floor meeting room, Buiding 7, UCAS Zhonguancun campus
Title: Resumming non-linear effects in OTOC
Abstract: I will give an introduction to the out-of-time-order correlators (OTOCs), which characterize quantum chaos in a way comparable to the classical picture of divergent trajectories. For many-body systems with all-to-all interactions such as the SYK model, I will show a general expression for the OTOC that includes the non-linear effects.
Ref: arXiv:2111.12007 with Alexei Kitaev and Pengfei Zhang