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In this 59-minute lecture from Stanford Physics, Professor Erez Berg from the Weizmann Institute of Science explores the theory behind "strange metals" - one of the most puzzling phenomena in condensed matter physics. Dive into the metallic behavior that deviates from ordinary Fermi liquid expectations, observed across various strongly correlated materials and connected to quantum criticality and unconventional superconductivity. Learn about theoretical advances explaining these phenomena in specific systems like ruthenates and overdoped cuprates, and discover how strange metal regimes emerge when unconventional superconductors are suppressed by high magnetic fields or temperature. Professor Berg, a condensed matter theoretical physicist, applies diverse analytical and numerical techniques including quantum field theory, quantum Monte Carlo simulations, and tensor network methods to understand quantum mechanical behavior of electrons in solids, with applications ranging from high temperature superconductivity to quantum information.
