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Generalized Boltzmann equation for neutron stars

✍ Scribed by G. Kaniadakis; A. Lavagno; P. Quarati


Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
224 KB
Volume
621
Category
Article
ISSN
0375-9474

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✦ Synopsis


Baryon pairing and neutron superfluidity are believed to play an important role in the evolution of neutron stars. The pairing interaction provides a partial antisymmetrization of the nucleons in the stars with the evidence that fractional statistics must hold. By using a kinetic approach recently proposed [G. Kaniadakis, A. Lavagno and P. Quarati, Nncl. Phys. B 466 (1996) 527], we derive a non-linear Boltzmann equation which takes into account collective effects introduced by an exclusion-inclusion principle. This equation describes the dynamics of particles ruled by a fractional statistics. In addition, we extend this Boltzmann equation to the relativistic case and discuss the relevance of the quark matter in the star core.


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