R. G. Herb Condensed Matter Seminars

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Events on Thursday, February 2nd, 2023

Emergence of Quantum Order
Time: 10:00 am - 6:00 pm
Place: 5310 Chamberlin
Speaker: Elio Konig , Max Planck (Stuttgart)
Abstract: The patterns of self-organization in complex quantum systems are traditionally understood using the concept of spontaneous symmetry breaking. In contrast, quantum order in the absence of symmetry breaking, in particular highly entangled topologically ordered states, describe fundamentally distinct phases of matter which are of great interest both in present-day condensed matter research and in quantum information science. In this talk, I will spend some time reviewing the concepts of topological and non-symmetry broken quantum order. I will then focus on the interplay of such exotic states with gapless fermions, i.e., metals. I will discuss their importance as solid-state realizations of lattice gauge theories, mechanisms in which a Fermi sea stabilizes miniature variants of topological order, and experimental setups in which metallic contacts are used to probe quantum order. I will conclude with an outlook summarizing the multiple synergies of quantum information theory and quantum materials science.
Host: Victor Brar
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