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Supramassive dark objects with neutron star origin

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Hellenic Nuclear Physics Society   

Αποθετήριο :
Annual Symposium of the Hellenic Nuclear Physics Society  | ΕΚΤ eProceedings   

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Supramassive dark objects with neutron star origin (EN)
Vikiaris, Michael
Moustakidis, Charalambos
Vlasios Petousis
Veselsky Martin
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
2024-07-31
Till today, the nature of dark matter remains elusive despite all our efforts. This missing matter of the universe has not been observed by the already operating dark matter direct-detection exper- iments, but we can infer its gravitational effects. Galaxies and clusters of galaxies are most likely to contain dark matter trapped to their gravitational field. This leads us to the natural assumption that compact objects might contain dark matter too. Among the compact objects exist in galaxies, neutron stars considered as natural laboratories, where theories can be tested, and observational data can be received. Thus, many models of dark matter they have proposed it’s presence in those stars. By employing the two fluid model, we discovered a stable area in the M-R diagram of a celestial formation consisting of neutron and dark matter that is substantial in size and vast in di- mensions. This formation spans hundreds of kilometers in diameter and possesses a mass equivalent to 100 or more times that of our sun. To elucidate, this entity resembles an enormous celestial body of dark matter, with a neutron star at its core. This implies that a supramassive stellar compact entity can exist without encountering any issues of stability and without undergoing a collapse into a black hole. In any case, the present theoretical prediction can, if combined with corresponding observations, shed light on the existence of dark matter and even more on its basic properties. (EN)
Neutron Star (EN)
Two Fluid Model (EN)
Compact Object (EN)
Dark Matter (EN)
Supermassive Object (EN)
Annual Symposium of the Hellenic Nuclear Physics Society
Αγγλική γλώσσα
Hellenic Nuclear Physics Society (HNPS) (EN)
2654-0088
2654-007X
Annual Symposium of the Hellenic Nuclear Physics Society; Τόμ. 30 (2024); 96-103 (EL)
HNPS Advances in Nuclear Physics; Vol. 30 (2024): HNPS2023; 96-103 (EN)
Πνευματική ιδιοκτησία (c) 2024 Michael Vikiaris, Charalambos Moustakidis, Vlasios Petousis, Veselsky Martin (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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