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Quark number susceptibility of high temperature and finite density QCD

Presenter: Ari Hietanen — University of Helsinki

Ari Hietanen, Kari Rummukainen

We use reduced effective field theory (EQCD) and lattice calculataions to determine the quark number susceptiblity of QCD at high temperature (T>2Tc). We also use analytic continuation to obtain results at finite density. The results extrapolate well from known perturbative expansion (accurate in extremely high temperatures) to other lower temperature lattice data.