Friday, April 1, 2011, 2:00 pm — Small Seminar Room, Bldg. 510

We point out that large-N_c QCD in the 't Hooft limit is equivalent to SO(2*N_c) Yang-Mills theory with fundamental fermions. In the latter, notorious "sign problem" is absent even with finite baryon chemical potential, and hence the Monte-Carlo simulation is applicable. We also show the same idea can be applied in related models -- chiral random matrix theory (RMT) and holographic models. We explain nice old results like the exactness of the phase quenching in RMT in a certain parameter region is naturally understood and is generalized from the point of view of the equivalence. This talk is based on works with A. Cherman and D. Robles-Llana (Phys. Rev. Lett. 106, 091603), with N. Yamamoto (in preparation) and with C. Hoyos, A. Karch and L. Yaffe (in preparation).

Hosted by: G. Beuf

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