Jeremy Levy

Affiliation: University of Pittsburgh

Date: Oct 17th, 2022 (17:00 – 18:00, KST)

Title: Correlated Nanoelectronics and the Second Quantum Revolution

Abstract:

Strongly correlated electronic materials and quantum transport of nanoelectronic systems are areas of research that have traditionally followed non-intersecting paths.  With the development of complex-oxide heterostructures and nanostructures, a nascent field of Correlated Nanoelectronics has emerged.  My research program makes extensive use of nanoscale reconfigurability of a complex-oxide heterostructure formed from a thin layer of LaAlO₃ grown on SrTiO₃.  Like an Etch-a-Sketch toy, the LaAlO₃/SrTiO₃ interface can be drawn (and erased) with 2 nm resolution to create a remarkable range of quantum devices.  These nanoscale devices can be “aimed” back at the materials themselves to provide insight into their inner workings.  This platform has already produced two novel phases of electronic matter: one in which electrons form bound pairs without becoming superconducting, and a family of one-dimensional degenerate quantum liquids formed from n-tuples of bound electrons.  A rich and growing palette of quantum building blocks is currently being explored for applications in quantum computing, quantum simulation, and quantum sensing, major goals of the Second Quantum Revolution.

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