出版社：SISSA, Scuola Internazionale Superiore di Studi Avanzati
摘要：QCD at non-zero baryon density is expected to have a critical point where the zero-density crossover
turns into a first order phase transition. To identify this point we scan the density-temperature
space using a canonical ensemble method. For a given temperature, we plot the chemical potential
as a function of density looking for an “S-shape” as a signal for a first order transition. We carried
out simulations using Wilson fermions with mp 1GeV on 63 4 lattices. As a benchmark, we
ran four flavors simulations where we observe a clear signal. In the two flavors case we do not
see any signal for temperatures as low as 0:83Tc. Preliminary results for the three flavor case are
also presented.
