Non-invertible symmetries in one-dimensional quantum lattice models

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• Clement Delcamp (Institut des Hautes Études Scientifiques)
• Wednesday 05 November 2025, 13:00-14:30
• Seminar Room 2, Newton Institute.

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

I will review a framework for studying non-invertible symmetries in one-dimensional quantum lattice models. Using this framework, one can easily define gauging operations and construct representatives of symmetric gapped phases. After highlighting features of the entanglement structure of ground states of gapped phases with non-invertible symmetries, I will describe the fate of gapped phases under gauging operations. I will conclude by mentioning implications for the simulation of many-body systems.

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

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