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HET Brown Bag | SYK, Chaos, and higher-spin

Cheng Peng (UC Davis)
Wednesday, February 19, 2020
12:00-1:00 PM
3481 Randall Laboratory Map
I will discuss two related topics in the talk. In the first part, I will discuss a 2-dimensional SYK-like model whose moduli space consists of both a chaotic regime and corners with emergent higher-spin symmetry. This model provides a manifest realization of the widely believed connection between SYK-like models and higher-spin theories. In the second part, I will discuss a general class of coupled quantum systems that share a somewhat surprising property: their ground states approximate the thermofield double state to very good accuracy. This provides a practical way to prepare the thermofield double state.
Building: Randall Laboratory
Website:
Event Type: Lecture / Discussion
Tags: Brown Bag Seminar, Physics, Science, Winter 2020
Source: Happening @ Michigan from Leinweber Center for Theoretical Physics, Department of Physics, HET Brown Bag Series, Leinweber Center for Theoretical Physics Seminars, Leinweber Center for Theoretical Physics Brown Bag Seminars