Nonextensive thermodynamics with finite chemical potential, hadronic matter and protoneutron stars

被引：9

作者：

Deppman, Airton ^{[1
]}

Megias, Eugenio ^{[2
,3
,4
]}

Menezes, Debora P. ^{[5
,6
]}

机构：

[1] Univ Sao Paulo, Inst Fis, BR-05508900 Sao Paulo, Brazil

[2] Univ Autonoma Barcelona, Dept Fis, Fis Teor Grp, E-08193 Barcelona, Spain

[3] Univ Autonoma Barcelona, IFAE, E-08193 Barcelona, Spain

[4] Max Planck Inst Phys & Astrophys, Werner Heisenberg Inst, D-80805 Munich, Germany

[5] Univ Fed Santa Catarina, Dept Fis, CFM, BR-88040900 Florianopolis, SC, Brazil

[6] Univ Alicante, Dept Fis Aplicada, E-03080 Alicante, Spain

来源：

1ST INTERNATIONAL KAIDALOV WORKSHOP ON THE PHENOMENOLOGY OF HIGH ENERGY PARTICLE PHYSICS | 2015年 / 607卷

关键词：

NON-EXTENSIVE THERMODYNAMICS; NUCLEAR-MATTER; QCD;

D O I：

10.1088/1742-6596/607/1/012007

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The nonextensive 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 details. We show that at similar conditions, the nonextensive statistics provide a harder EOS than that provided by the Boltzmann-Gibbs statistics. This fact induced us to consider an application to a proto-neutron star, which is discussed for different assumptions.

引用

页数：12

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