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This is lecture 0: what is QFT and how will this course be taught? This provides a short 18 minute description of what the quantum field theory is about, together with a short summary of topics. The…
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Physics 4Q03 Lecture 05: This lecture reviews the formalisms of time-independent and time-dependent Rayleigh-Schrodinger perturbation theory for quantum mechanics.
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Physics 4Q03 Lecture 09: This lecture introduces coherent states, and derives them as the eigenstates to which a bosonic system is often driven in the presence of persistent stimulated emission. The…
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Physics 4Q03 Lecture 18: This lecture continues the previous one on photons in electromagnetism, and provides a sermon about UV and IR divergences and why you can use any regularization you like to…
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Wilson to Lindblad: Late-time Obstacles to Reliable Calculations with Horizons (and how Open EFTs can help). This talk describes how Open Effective Field Theories can be used to deal with the…
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Talk on EFTs and Inflation given to the Chung Ang University conference Beyond the Standard Model, Feb 3 2021.
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EFTS, Gravity and Clues from the UV: Theory Group Seminar for Imperial College April 2021
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Influence Through Mixing: Hotspots as Cartoons of Quantum Black Holes. Seminar given to the Copernicus international online seminar series.
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This is a short personal overview of some topics in inflationary cosmology. Unfortunately the video froze during the first few slides, but it stops doing so not too far in. (Apologies for this.)
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Talk given to the MIAPP workshop Dark Energy 2 on Nov 16, 2021
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Spark has organized the vast and ever changing world
of social research methods into seven toolkits. In this Open House
series, the Academic Director and Executive Director of Spark introduce…
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In this video, Michelle Dion, Academic Director of Spark discusses outliers — instances of data that do not fit the theory or model. She talks about a range of approaches to addressing them…
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