Constructing the Bulk of Sachdev-Ye-Kitaev (SYK) model

Date: 
04/22/2019 - 2:00pm to 3:00pm
Location: 
BL 339
Speaker(s) / Presenter(s): 
Animik Ghosh
We argue that the SYK model leads to a three dimensional dual theory in a suitable background. At strong coupling, a Horava-Witten compactification of one of the dimensions reproduces the SYK spectrum, and a non-standard propagator of the 3D theory exactly reproduces the two point function of the bilocal fields. Furthermore, this three dimensional picture reproduces the leading finite coupling correction to the “zero mode” contribution. The space-time on which the bilocal fields live is not, however, the dual space-time in the sense of AdS/CFT duality – rather the bilocals are related to the dual fields by an integral transform.
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