HET journal club by Joyce Myers (NBI) – Niels Bohr Institute - University of Copenhagen

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HET journal club by Joyce Myers (NBI)

Lattice strong coupling expansion

I will present a very general introduction to the lattice strong coupling expansion of QCD. This technique is relevant to ongoing research on a large Nc mathematical link between QCD on S^1 x S^3, for small S^3, at weak ('t Hooft) coupling, and lattice QCD in large volume, at strong coupling. It is also useful in the study of QCD with chemical potential at Nc=3. I will explain how to use the expansion and show how to calculate some relevant diagrams. Based on the individual project of Alexander S. Christensen and Peter D. Pedersen.