Notebooks

Field Theory, Especially Quantum Field Theory

14 Feb 2004 10:55

Yet another inadequate placeholder

So long as I am using these notebooks to play the Humiliation Game, I might as well confess that I feel like I understand perturbation theory and Feynman diagrams at a fairly intuitive level, I do not have the same feeling of understanding about renormalization. I can do it, but I don't get it --- or, rather, I could when I was in graduate school in the 1990s, taking classes in QFT and studying to do particle-physics phenomonology, and even then I didn't have a feeling for it. (I am much happier having found different areas to work in.) Reading Talagrand, a quarter of a century after graduate school, makes me feel a little better about this, but only a little.


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