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Wednesday, October 19th 2016

4:30 pm:

I will review the basic concepts of the Renormalization Group following the review paper by Shankar. Specifically, I will define what is renormalization, the concept of a fixed point, and show a sample calculation for a complex scalar field in 4 dimensions. The goal is to build the conceptual understanding needed for more complicated systems.

References: R. Shankar, Renormalization-group approach to interacting fermions. Rev. Mod. Phys. 66, 129 (1994).

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