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Physics Colloquium: Antoine Georges, From Hot Superconductors to Cold Atoms: Quantum Matter with Strong Correlations

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Physics Colloquium: Antoine Georges, From Hot Superconductors to Cold Atoms: Quantum Matter with Strong Correlations
When Mar 13, 2019
from 04:00 PM to 05:00 PM
Where MR418N
Contact Name
Contact Phone 212-650-7443
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From Hot Superconductors to Cold Atoms: Quantum Matter with Strong Correlations

Antoine Georges

Center for Computational Quantum Physics Flatiron Institute - Simons Foundation, New York, and Collège de France, Paris

Abstract:
Materials with strong electronic correlations such as transition-metal oxides, rare-earth compounds or molecular conductors have focused enormous attention over the last three decades. Solid-state chemistry is constantly providing us with examples of novel materials with surprising and remarkable electronic properties. New routes for controlling the functionalities of these materials are actively being explored, such as high-quality heterostructures and selective control of structural modes with ultra-fast light pulses.

New frontiers are also opening up, which bring together condensed-matter physics and quantum optics. `Artificial materials' made of ultra-cold atoms trapped by laser beams can be engineered with a remarkable level of controllability, and allow for the study of strong-correlation physics in previously unexplored regimes.

After an overview of some aspects of this broad field, I will argue that the `standard model’ of condensed-matter physics, which views electrons in a solid as a gas of wave-like quasiparticles, must be seriously reconsidered for strongly correlated materials.  I will also outline some of the theoretical and computational challenges raised by quantum matter with strong correlations.
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Bio
The CCQ will develop the concepts, algorithms and computational tools needed to handle many-body quantum systems and capture the quantum dynamics of electrons and ions in chemically realistic environments and make them available to the scientific community.   Dr. Georges' work has been recognized by numerous fellowships and awards, including the Anatole and Suzanne Abragam Prize of the French Academy of Sciences, the 2004 Prix Dargelos, the 2006 Condensed Matter Europhysics Prize, the 2007 Médaille d’Argent of the CNRS, a 2012 Synergy award from the European Research Council  and the 2014 Hamburg Prize for Theoretical Physics. He is a member of the French Academy of Sciences.