Equation of state of nuclear matter with applications to rapid rotating neutron stars

Abstract

Neutron stars manifest one of the Universe's densest objects, where matter is compressed at high densities, and nuclear physics combines with general relativity. The dense nuclear matter is described by the yet unknown equation of state, simulating the fluid interior, where its combination with the Tolman-Oppenheimer-Volkoff equations provides the neutron star structure. Although cold non-rotating neutron stars are a valuable source of constraints, temperature, and high rotational frequencies will significantly improve and extend our knowledge. In particular, the research is focused on the construction of both cold and hot, lepton-rich matter equations of state and their implications on macroscopic as well as microscopic quantities of neutron stars. Specifically, universal relations are produced for each representative case, and a criterion for the final fate of compact objects is extracted. Furthermore, the research is extended to proto-neutron stars and the hot and rapidly rotating r ...
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DOI
10.12681/eadd/53467
Handle URL
http://hdl.handle.net/10442/hedi/53467
ND
53467
Alternative title
Η καταστατική εξίσωση της πυρηνικής ύλης και εφαρμογές στους γρήγορα περιστρεφόμενους αστέρες νετρονίων
Author
Koliogiannis-Koutmiridis, Polychronis (Father's name: Stylianos)
Date
2023
Degree Grantor
Aristotle University Of Thessaloniki (AUTH)
Committee members
Μουστακίδης Χαράλαμπος
Λαλαζήσης Γεώργιος
Γαϊτάνος Θεόδωρος
Πέτκου Αναστάσιος
Μπονάτσος Διονύσιος
Σουλιώτης Γεώργιος
Πετούσης Βλάσιος
Discipline
Natural SciencesPhysical Sciences ➨ Nuclear Physics
Keywords
Equation of state of cold and hot nuclear matter; Momentum dependent interaction in nuclear matter; Cold and hot rotating neutron stars; Adiabatic index and stability of neutron stars
Country
Greece
Language
English
Description
im., tbls., ch.
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