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Dr. Asmaa Gaber Ali Shalaby :: Publications:

Extensive and NonExtensive Thermodynamics
Authors: Asmaa G. Shalaby
Year: 2016
Keywords: Not Available
Journal: ACTA PHYSICA POLONICA B No 5 Vol. 47 (2016).
Volume: Not Available
Issue: Not Available
Pages: Not Available
Publisher: Not Available
Local/International: International
Paper Link: Not Available
Full paper Not Available
Supplementary materials Not Available

This research addresses extensive and non-extensive thermodynamics. A comparison between the entropy for both different statistics are presented. The non-extensive parameter, entropic index q, is discussed. We attempt to explore the limit of the non-extensive parameter by comparing the theoretical results with lattice and the available experimental results. The two thermal parameters T, B are calculated with the freeze-out condition S/T^3 = 7 for different q. The motivation of this research comes from recent non-extensive statistics studies which showed that this standard thermodynamics failed to reproduce the freeze-out parameters. As an application, the black-hole entropy is calculated in the quantum Generalized Uncertainty Principle (GUP) modification form. Black-hole entropy may reveal information about the thermodynamics it belongs. This discrimination is essential to quantify the entropy in the hadron production evolution stage and in the black-hole thermodynamics. It is concluded that lattice QCD reproduces the extensive thermodynamics very well. Also, the black hole appears as an extensive system.

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