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Physics Colloquium: Universality in dynamics of engineered quantum systems
Wednesday, Jan 25, 2017
4 p.m. - 5 p.m. Location: SLC 1.102

Dr. Michael Kolodrubetz (UC Berkeley)

We are in the midst of the so-called second quantum revolution, where quantum mechanics is increasingly being controlled to create novel engineered systems. From ultracold atoms and ions to solid-state realizations of quantum bits, these engineered systems are becoming increasingly powerful, but often at the cost of adding extra control knobs and thus complexity. In this talk I will show that, despite this complexity, universal structures nevertheless do emerge in the coherent quantum dynamics that define such systems. I will focus on two examples where the dynamics is closely related to quantum geometric and topological structure. I will first show how topological Chern numbers may be experimentally measured in simple few-level systems. I will then discuss a many-body problem where topological physics is crucial, namely the chiral anomaly of Weyl band structures in ultracold atoms. In both cases, I will show how dynamics plays a fundamental role in defining and measuring the universal structure, with important implications for future work.

Contact Info:
Michael Kesden, 972-883-3598
Questions? Email me.

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