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The role of temperature on the tidal deformability of an inspiraling binary neutron star system

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The role of temperature on the tidal deformability of an inspiraling binary neutron star system (EN)
Kanakis-Pegios, Alkiviadis
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
2023-05-05
The detection of gravitational waves emitted by binary neutron star mergers consists a very promising tool for studying the properties of dense nuclear matter. The lack of exact evidence for a zero-temperature scenario regarding the inspiral phase of a coalescing binary neutron star system raises the question of the role of temperature. Based on some theoretical studies, the existence of temperature (about a few MeV) before the merger is possible. The main goal of our work is to study the thermal effects on the tidal deformability of neutron stars, by taking into consideration the observations of binary neutron star mergers. In our study, we used various hot equations of state, both isothermal and adiabatic, and for different nuclear models. The main finding is that for temperature below 1 MeV the tidal deformability as a function of the neutron star mass remains insensible. In the adiabatic case, this behavior is present up to entropy per baryon S=0.2 kB. (EN)
equation of state (EN)
neutron stars (EN)
binary neutron start system (EN)
tidal deformability (EN)
temperature (EN)
Annual Symposium of the Hellenic Nuclear Physics Society
English
Hellenic Nuclear Physics Society (HNPS) (EN)
2654-0088
2654-007X
Annual Symposium of the Hellenic Nuclear Physics Society; Τόμ. 29 (2023); 87-93 (EL)
HNPS Advances in Nuclear Physics; Vol. 29 (2023): HNPS2022; 87-93 (EN)
Πνευματική ιδιοκτησία (c) 2023 Alkiviadis Kanakis-Pegios (EL)
http://creativecommons.org/licenses/by-nc-nd/4.0
Hellenic Nuclear Physics Society
Annual Symposium of the Hellenic Nuclear Physics Society
Oral contributions



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