Department of Physics Colloquium, Shamit Kachru, Stanford University. Refreshments at 3:30pm.
Abstract: Holography relates general relativity in d+1 dimensions to quantum field theories without gravity in d dimensions. It can be used to study toy models which are soluble analogues of important systems like strongly correlated electrons in metals, or QCD at finite density. Questions about the phase structure of quantum matter at finite temperature and density are mapped to questions about charged black holes with planar horizons. We describe some of the new black
hole geometries that have emerged from recent studies, and the dual field-theoretic physics which they encode.
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