Model equation of state to investigate the structure and evolution of superdense stars with a phase transition

A model equation of state that describes the phase transition to quark matter is proposed. This equation of state is used to construct hydrostatically equilibrium stellar models for various values of the entropy and the negative bag constant B added to the pressure of quarkmatter. Parameters of the...

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Bibliographic Details
Published in:Astronomy letters 2013-03, Vol.39 (3), p.161-170
Main Authors: Yudin, A. V., Razinkova, T. L., Nadyozhin, D. K.
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics
Astrophysics and Astroparticles
Observations and Techniques
Phase transitions
Physics
Physics and Astronomy
Quarks
Stars & galaxies
Supernovae
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Summary:A model equation of state that describes the phase transition to quark matter is proposed. This equation of state is used to construct hydrostatically equilibrium stellar models for various values of the entropy and the negative bag constant B added to the pressure of quarkmatter. Parameters of the calculated models and conditions for their stability are discussed.
ISSN:1063-7737
1562-6873
DOI:10.1134/S1063773713030079