Building strange metals from SYK models
The solvable SYK models describe interacting electrons in a `quantum dot’ without quasiparticle excitations.
They exhibit rapid scrambling of quantum information, and thermalize in the fastest possible time of order
(Plank’s constant)/(Absolute temperature). The strange metal state is found in materials exhibiting high temperature
superconductivity: heat and electricity are transported in this metal not by individual particles, but by collective quantum excitations.
I will describe the basic properties of the SYK models, and show how they can be used as building blocks for
a theory of the strange metal.
College Park, MD 20742