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Explore advanced concepts in quantum field theory through this 25-minute continuation lecture by Professor Paul Fendley from the University of Oxford on categorical conserved currents. Delve into the mathematical framework of categorical structures and their applications to conservation laws in quantum field theory, building upon foundational concepts introduced in previous sessions. Examine how categorical methods provide powerful tools for understanding symmetries and conserved quantities in quantum systems, particularly in the context of field theories with boundaries, impurities, and defects. Learn about the sophisticated mathematical techniques used to analyze these systems and their physical implications. This specialized lecture is part of the "Quantum field theory with boundaries, impurities, and defects" event series at the Isaac Newton Institute, designed for researchers and advanced students working in theoretical physics and mathematical physics.
