Tomasz Maciążek

Center for Theoretical Physics of the Polish Academy of Sciences in Warsaw, Poland.

Non-abelian anyons on graphs

Mathematical Physics Seminar

22nd March 2019, 2:00 pm – 3:00 pm
Howard House, 4th Floor Seminar Room

I will introduce a general framework for describing quantum statistics of particles constrained to move in a topological space X. This framework involves a study of unitary representations of the braid group of space X, which can be achieved by determining homology groups of the configuration space of X. This formulation leads to a new connection between K-theory and the classification of anyons used in topological quantum computing. We apply this methodology for configuration spaces of graphs. As a conclusion, I will provide families of graphs, which are good candidates for simple models of quantum computation. I will also present a number of new results concerning topology of graph configuration spaces.

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