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The Chiral Critical Point in 3-Flavour QCD | | F. Karsch
; E. Laermann
; Ch. Schmidt
; | | Date: |
25 Jul 2001 | | Journal: | Phys.Lett. B520 (2001) 41-49 | | Subject: | hep-lat hep-ph nucl-th | | Abstract: | 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. | | Source: | arXiv, hep-lat/0107020 | | Services: | Forum | Review | PDF | Favorites | |
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