Analytical study of factorial moments for first- and second-order phase transitions

被引：22
|
作者：
Cai, X [1 ]
Yang, CB [1 ]
Zhou, ZM [1 ]
机构：
[1] HUAZHONG UNIV SCI & TECHNOL, DEPT PHYS, WUHAN 430074, PEOPLES R CHINA
来源：
PHYSICAL REVIEW C | 1996年 / 54卷 / 05期
关键词：
D O I：
10.1103/PhysRevC.54.2775
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Properties of the scaled factorial moments are analytically studied within the framework of the Landau mean field approach. Dependences of the moments on resolution are found to be different for first-order and second-order phase transitions. It is suggested that the moments lnF(q) should be fitted to powers of X = delta(1/3) in the range of high resolution in order to extract information about the phase transition ina parameter independent way. It is also shown that the order of the phase transition could be determined by the relative sign of the fitted coefficients to those calculated theoretically.
引用
收藏
页码：2775 / 2778
页数：4
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