ON THE ORDER OF THE PHASE-TRANSITION IN 3-DIMENSIONAL SU(N)CIRCLE-TIMES-SU(N) AND U(N)CIRCLE-TIMES-U(N) HEISENBERG MODELS AND FINITE TEMPERATURE QCD

被引：10
|
作者：
DREHER, P
机构：
[1] Department of Physics, University of Illinois at Urbana-Champaign, Urbana, IL 61801
来源：
PHYSICS LETTERS B | 1992年 / 281卷 / 1-2期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0370-2693(92)90286-D
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The finite temperature QCD chiral phase transition for massless SU(2), SU(3), U(2), and U(3) flavor groups is studied using the chiral Heisenberg model. A variety of numerical techniques, including metastability analysis, reduced cumulant of the energy, and finite size scaling were employed to determine the order of the finite temperature chiral phase transition for these flavor symmetries. The SU(2) Heisenberg model had a second order transition while the SU(3), U(2) and U(3) models were first order transitions.
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页码：127 / 132
页数：6
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