The chiral critical point in 3-flavour QCD
Karsch, Frithjof
Karsch
Frithjof
Laermann, Edwin
Laermann
Edwin
Schmidt, Christian
Schmidt
Christian
We determine the second order endpoint of the line of first order phase transitions. which occur in the light quark mass regime of 3-flavour QCD at finite temperature, and analyze universal properties of this chiral critical point. A detailed analysis of Binder cumulants and the joint probability distributions of energy like and ordering-field like observables confirms that the chiral critical point belongs to the universality class of the three-dimensional Ising model. From a calculation with improved gauge and staggered fermion actions we estimate that the transition is first order for pseudo-scalar meson masses less than about 200 MeV. (C) 2001 Elsevier Science B.V. All rights reserved.
520
1-2
41-49
41-49
ELSEVIER SCIENCE BV
2001