Higher order net baryon number cumulants in the strong coupling lattice QCD

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<The 33rd International Symposium on Lattice Field Theory (LATTICE 2015) - Nonzero Temperature and Density (talks)> 14 -18 July 2015. Kobe International Conference Center, Kobe, Japan.We study the net-baryon number cumulant ratios, Ss and ks[2], at finite temperature and baryon chemical potential in the strong coupling and chiral limits of the lattice QCD. We find non- monotonic behaviors of the cumulant ratios as functions of T in the vicinity of the phase boundary at m=T = 0:2 and 0:8, as expected from the O(4) scaling function analysis. In particular, we also find that there is a region where the cumulant ratios become negative when approaching to the expected tricritical point probably due to the finite size effect.


  • Proceedings of Science

    Proceedings of Science (251), 2016-07-15

    Sissa Medialab


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