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Anomalies of Defect Parameter Spaces and a Spin-Flux Duality

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BID - Quantum field theory with boundaries, impurities, and defects

I will explain how the irreversibility of the renormalization group together with anomalies, including anomalies in the space of coupling constants, can be used to constrain the IR phases of defects in familiar quantum field theories. As an example, I will use these techniques to provide evidence for a conjectural “spin-flux duality” which describes how certain line operators are mapped across particle/vortex duality in 2+1d.

This talk is part of the Isaac Newton Institute Seminar Series series.

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Seminar Room, Wolfson College (note change of venue) Scott Polar Research Institute Lecture Theatre, Lensfield Road The Penridge Suite, 470 Bowes Road, London, N11 1NL

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