Research & lectures
Notes and talks
Selected lecture notes and presentations on quantum field theory and its applications across statistical mechanics, condensed matter, and string theory.
Selected material
Lecture notes and presentations
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Order at Arbitrarily High Temperatures
Entropy-driven mechanisms that allow spatial, magnetic, and superconducting order to persist at very high temperature.
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Symmetries in Gauge Theories and their Applications
Anomalies and topology as non-perturbative tools, from a particle on a ring to center symmetry, domain walls, and Yang–Mills theory.
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2026 Cargèse Lectures
Topological and conformal defects, defect RG flows, magnetic impurities, and Wilson and ’t Hooft lines.
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Critical Exponents and Effective Field Theories
Large-charge and large-spin methods for conformal field theories, from superfluids and vortices to heavy operators and Regge physics.
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An Overview of the Chern-Simons Interaction
A broad introduction to the Chern-Simons interaction and its role across quantum field theory.
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Line Defects and the Renormalization Group
Zero-temperature entropy for impurities and its evolution under renormalization group flow.
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Line Defects in QFT
An entropy function, conformality, and symmetries in the study of line defects.
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Lectures on Quantum Field Theory
Topics in conformal field theory, anomalies, monotonicity theorems, supersymmetry, and S-matrix theory.
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