Prof. Yong Baek Kim (Department of Physics, University of Toronto, Canada)
"Nonequilibrium quantum criticality in itinerant electronic systems"
A theory will be presented of non-equilibrium quantum criticality in open (coupled to reservoirs) electronic systems. The formalism enables analysis both of the relevance of departures from equilibrium at conventional (equilibrium) quantum critical points and the physics of phase transitions induced by the non-equilibrium drive. Results are given for itinerant Ising and Heisenberg magnets with nonequilibrium provided by current flow across the system.