Defects in Quantum Field Theory - Lecture 3

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• Zohar Komargodski (Stony Brook University)
• Thursday 11 September 2025, 09:00-10:30
• Seminar Room 1, Newton Institute.

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BIDW01 - The Physics and Mathematics of Boundaries, Impurities, and Defects

We discuss the interplay between extended operators (i.e. defects) and symmetries, anomalies, and renormalization group flows in quantum field theory.  We also give some examples in lattice models.   We emphasize defects in gapless systems, namely defects in conformal field theories.   References This review of symmetries in quantum mechanics https://kantohm11.github.io/symmetry_review/  And that paper about how it affects defects in QFThttps://arxiv.org/pdf/2508.14963

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

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