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arXiv 1404.1256hep-phcond-mat.stat-mechmath.STstat.TH
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油藏波动引起的统计幂律谱

Statistical Power-Law Spectra due to Reservoir Fluctuations

T. S. Biró, G. G. Barnaföldi, P. Ván, K. Ürmössy

摘要:

LHC ALICE数据解释的统计幂律尾pT谱。作为解释,我们得到这样的统计分布的特定粒子数的涨落模式在一个有限的热浴准确,并为一般的热力学系统的次领先的正则展开近似。我们的一般结果,$q = 1 - 1/C + ΔT^2 / T^2$,演示了如何热容和温度波动的影响竞争,并取消只有在标准高斯近似。

英文摘要:

LHC ALICE data are interpreted in terms of statistical power-law tailed pT spectra. As explanation we derive such statistical distributions for particular particle number fluctuation patterns in a finite heat bath exactly, and for general thermodynamical systems in the subleading canonical expansion approximately. Our general result, $q = 1 - 1/C + ΔT^2 / T^2$, demonstrates how the heat capacity and the temperature fluctuation effects compete, and cancel only in the standard Gaussian approximation.

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