Particle number fluctuations in a canonical ensemble

被引：123

作者：

Begun, VV ^{[1
]}

Gazdzicki, M

Gorenstein, MI

Zozulya, OS

机构：

[1] Bogolyubov Inst Theoret Phys, Kiev, Ukraine

[2] Goethe Univ Frankfurt, Inst Theoret Phys, D-6000 Frankfurt, Germany

[3] Jan Kochanowski Univ Humanities & Sci, Kielce, Poland

[4] Goethe Univ Frankfurt, Inst Theoret Phys, D-6000 Frankfurt, Germany

[5] Taras Shevchenko Kiev Natl Univ, Kiev, Ukraine

来源：

PHYSICAL REVIEW C | 2004年 / 70卷 / 03期

关键词：

D O I：

10.1103/PhysRevC.70.034901

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：

Fluctuations of charged particle number are studied in the canonical ensemble. In the infinite volume limit the fluctuations in the canonical ensemble are different from the fluctuations in the grand canonical one. Thus, the well-known equivalence of both ensembles for the average quantities does not extend for the fluctuations. In view of the possible relevance of the results for the analysis of fluctuations in nuclear collisions at high energies, a role of the limited kinematical acceptance is studied.

引用

页码：0349011 / 0349017

页数：7

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