Scaling of chiral order parameter in two-flavor QCD

被引：78
|
作者：
Iwasaki, Y [1 ]
Kanaya, K [1 ]
Kaya, S [1 ]
Yoshie, T [1 ]
机构：
[1] UNIV TSUKUBA, CTR COMPUTAT PHYS, TSUKUBA, IBARAKI 305, JAPAN
来源：
PHYSICAL REVIEW LETTERS | 1997年 / 78卷 / 02期
关键词：
D O I：
10.1103/PhysRevLett.78.179
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The finite temperature transition of QCD with two degenerate light quarks is studied on the lattice with a renormalization group improved gauge action and the Wilson quark action. We have made simulations on an 8(3) x 4 lattice near the chiral transition point. It is shown that the chiral condensate, which is the order parameter of chiral symmetry, satisfies remarkably a scaling relation with the exponents of the three-dimensional O(4) Heisenberg model. This indicates that the chiral transition in two-flavor QCD is of second order in the continuum limit.
引用
收藏
页码：179 / 182
页数：4
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