Co-Conveners: David Poland (Yale), Leonardo Rastelli (Stony Brook)
Quantum field theory is of fundamental importance in theoretical physics, providing a universal language and an array of immensely useful tools. The subject of formal quantum field theory is undergoing rapid development, both in its conceptual foundations and in the discovery of powerful theoretical tools. A variety of methods are used to understand strongly-coupled QFT, including taking advantage of symmetries and dualities. Conformal field theories make connections to quantum gravity via holography, critical phenomena, BSM physics, and mathematics. The conformal bootstrap approach to CFTs has recently seen immense progress, with close ties to the S-matrix and modular bootstrap. Supersymmetric quantum field theory is another rich arena, with numerous exact results and the development of powerful techniques such as localization and integrability. There has also been much progress in the use of QFT to understand infrared phases of matter, including the classification of topological phases, the use of generalized symmetries, and making connections to information-theoretic ideas.
Subtopics to be explored:
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