期刊
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
卷 41, 期 5, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0954-3899/41/5/055108
关键词
hadronic systems; fireballs; quark-gluon plasma; phase transition; thermodynamics
资金
- Brazilian agency, CNPq [305639/2010-2]
The nonextensive self-consistent theory describing the thermodynamics of hadronic systems at high temperatures is used to derive some thermodynamical quantities, as pressure, entropy, speed of sound and trace-anomaly. The calculations are free of fitting parameters, and the results are compared to lattice QCD calculations, showing a good agreement between theory and data up to temperatures around 175 MeV. Above this temperature the effects of a singularity in the partition function results in a divergent behaviour in respect with the lattice calculation.
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