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Oxide superlattices : challenge and opportunity for correlated electron physics

Abstract :

Recent developments in experiment and in theory have revitalized the study of correlated electron materials. On the experimental side, the ability to fabricate atomic-precision oxide superlattices has opened a new frontier in materials design, allowing the wide variations of the basic parameters that control the interacting-electron behavior of solids. On the theoretical side, new concepts and techniques are making it possible to answer previously inaccessible questions, in particular making it possible to confront the new experiments directly. This talk will outline the main experimental achievements of the oxide superlattice field and their theoretical implications and sketch future prospects.



Professor Millis received the Ph.D. degree from MIT in 1986. From 1986 to 1996 he was first a postdoctoral and then a permanent member of technical staff at A. T. & T. (later Lucent technologies) Bell Laboratories. After leaving Bell Labs Professor Millis served on the faculties of The Johns Hopkins University and of Rutgers University, before joining Columbia University in 2001. He served as Chair of the Columbia Physics Department from 2006-2009. His recent work has helped established the theory of nonequilibrium quantum criticality, has developed and applied basic concepts in the theory of oxide heterostructures and has played a key role in the formulation and application of continuous time quantum Monte Carlo methods for interacting electron problems. Professor Millis is the author of approximately 300 scientific articles, Fellow of the American Physical Society and presently serves as the Associate Director for Physical Sciences of the Simons Foundation.