SYK models, strange metals, and black holes
The Sachdev-Ye-Kitaev (SYK) models provide solvable realizations of diffusive metallic states without quasiparticle excitations. Explicit holographic duals of the SYK models can be constructed, in terms of black holes with a near-horizon AdS2 geometry. I will also compare the SYK models with more realistic models of the strange metals in the cuprates. A common thread connecting these models is the remarkable connection between many-body quantum chaos and diffusive thermal transport in states of quantum matter without quasiparticle excitations.
Hosted by Xiao Li and Ching-Kai Chiu.
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