Updates on the Columbia plot and its extended/alternative versions

25 Oct 2017 Cuteri Francesca Czaban Christopher Philipsen Owe Sciarra Alessandro

We report on the status of ongoing investigations aiming at locating the deconfinement critical point with standard Wilson fermions and $N_f=2$ flavors towards the continuum limit (standard Columbia plot); locating the tricritical masses at imaginary chemical potential with unimproved staggered fermions at $N_f=2$ (extended Columbia plot); identifying the order of the chiral phase transition at $\mu=0$ for $N_f=2$ via extrapolation from non integer $N_f$ (alternative Columbia plot)...

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  • HIGH ENERGY PHYSICS - LATTICE