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Daniel Yeo's research focuses on strongly interacting Quantum Field Theories (QFT), particularly the phenomenology of Quantum Chromodynamics (QCD), which describes the interactions of quarks and gluons. In QCD, the strong coupling at low energies results in interesting phenomena where quarks and gluons are confined into compact states called hadrons, leading to the generation of a mass gap. Conventional perturbation theory methods are inadequate for describing these effects, necessitating the development of alternative methods. A key tool in this area is Lattice QCD, which replaces Minkowski spacetime with a finite-volume Euclidean lattice to allow for numerical simulations of the theory that relate back to infinite-volume physics. A significant aspect of Yeo's work is the 'Lüscher method', which utilises finite-volume spectra to constrain hadronic scattering amplitudes. By studying scattering amplitudes, stable hadrons and resonances can be identified, with their properties such as spin, mass, and decay channels being determined. Yeo is affiliated with a research group focused on High Energy Physics at the University of Cambridge.
Standard postgraduate requirements for Department of Politics and International Studies (POLIS) and related humanities departments.