Colloquium Series: Information Scrambling and the Learning Landscape of a Quantum Machine Learning

Speaker: Sabre Kais, North Carolina State University
Abstract: In this talk,  I will  focus on quantum machine learning, particularly the Restricted Boltzmann Machine (RBM), as it  emerged to be a promising alternative approach  to electronic structure calculations of quantum materials leveraging  the power of quantum computers. Then, I will introduce and analytically illustrate that the imaginary components of out-of-time order correlators can provide unprecedented insight into the information scrambling capacity of a graph neural network. Furthermore, I will  demonstrate that it can be related to conventional measures of correlation like quantum mutual information and rigorously establish the inherent mathematical bounds jointly shared by such seemingly disparate quantities. Such an analysis demystifies the training of quantum machine learning models by unraveling how quantum information is scrambled through such a network introducing correlation surreptitiously among its constituent subsystems and open a window into the underlying physical mechanism behind the emulative ability of the model.
Bio:  Prior to joining the North Carolina State University faculty as Goodnight Distinguished Chair in Quantum Computing  in the Department of Electrical and Computer Engineering, Sabre Kais was a distinguished professor of Chemistry and Electrical and Computer Engineering, as well as a courtesy professor of Computer Science and Physics at Purdue. The research in his group is mainly devoted to quantum information and quantum computing for complex chemical systems.  He is a Fellow of the American Physical Society,  Fellow of the American Association for the Advancement of Science, Guggenheim Fellow, Purdue University Faculty Scholar,  National Science Foundation Career Award Fellow, 2012  Sigma Xi Research Award, 2019 Herbert Newby McCoy Award, Purdue university and Miller Visiting Professor at Berkeley.
Hosted by: Physics and Astronomy
Additional Information can be found at: https://heellife.unc.edu/event/11948026