期刊
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
卷 421, 期 -, 页码 15-24出版社
ELSEVIER
DOI: 10.1016/j.physa.2014.11.005
关键词
Thermodynamics; Equation of state; Phase transition; Quantum chromodynamics; Hadron physics; Neutron stars
资金
- Plan Nacional de Altas Energias [FPA2011-25948]
- Junta de Andalucia grant [FQM-225]
- Generalitat de Catalunya grant [2014-SGR-1450]
- Spanish MINECO's Consolider-Ingenio Programme CPAN [C5D2007-00042]
- Centro de Excelencia Severo Ochoa Programme grant [SEV-2012-0234]
- CNPq (Brazil)
- FAPESC (Brazil) [2716/2012, TR 2012000344]
- FAPESP (Brazil) [2013/24468-1]
- CNPq [305639/2010-2]
- Instituto de Fisica of the Universidade de Sao Paulo
- Juan de la Cierva Program of the Spanish MINECO grant [JCI-2010-06699]
The non extensive thermodynamics of an ideal gas composed by bosons and/or fermions is derived from its partition function for systems with finite chemical potentials. It is shown that the thermodynamical quantities derived in the present work are in agreement with those obtained in previous works when mu <= m. However some inconsistencies of previous references are corrected when mu > m. A discontinuity in the first derivatives of the partition function and its effects are discussed in detail. We show that at similar conditions, the non extensive statistics provide a harder equation of state than that provided by the Boltzmann-Gibbs statistics. (C) 2014 Elsevier B.V. All rights reserved.
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