Many flavor approach to study the nature of chiral phase transition of two-flavor QCD

Nov 26, 2015
7 pages
Published in:
  • PoS LATTICE2015 (2016) 147
Contribution to:
  • Published: Nov 26, 2015 by SISSA
e-Print:

Citations per year

20152016201701
Abstract: (arXiv)
We perform lattice numerical simulations to study the phase transition of QCD at finite temperature to clarify the nature of the transition of massless two flavor QCD. We investigate QCD with two light and Nf heavy quarks instead of two-flavor QCD, and focus on the light quark mass dependence of the critical heavy mass, below which the transition is of first order. The heavy quarks are incorporated into two flavor configurations in the form of the hopping parameter expansion through the reweighting technique. The nature of the transition is identified by the shape of the constraint effective potential at the critical temperature. Our result indicates that the critical heavy mass remains finite in the chiral limit of the two flavors, suggesting the phase transition of massless two-flavor QCD is of second order.
Note:
  • 7 pages, 4 figures, Proceedings of the 33rd International Symposium on Lattice Field Theory (LATTICE2015), Kobe, Japan, 14-18 July 2015
  • quark: flavor: 2
  • quark: massless
  • quantum chromodynamics: critical phenomena
  • critical phenomena: chiral
  • finite temperature
  • numerical calculations
  • quark: mass dependence
  • heavy quark
  • flavor: dependence
  • quark: Wilson