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[ author_sort:"manoharan, praveen." ]
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Universal relations for binary neutron star mergers with long-lived remnants
紀錄類型:
書目-電子資源 : Monograph/item
正題名/作者:
Universal relations for binary neutron star mergers with long-lived remnantsby Praveen Manoharan.
作者:
Manoharan, Praveen.
出版者:
Wiesbaden :Springer Fachmedien Wiesbaden :2022.
面頁冊數:
xiv, 65 p. :ill., digital ;24 cm.
Contained By:
Springer Nature eBook
標題:
Stellar mergers.
電子資源:
https://doi.org/10.1007/978-3-658-36841-8
ISBN:
9783658368418$q(electronic bk.)
Universal relations for binary neutron star mergers with long-lived remnants
Manoharan, Praveen.
Universal relations for binary neutron star mergers with long-lived remnants
[electronic resource] /by Praveen Manoharan. - Wiesbaden :Springer Fachmedien Wiesbaden :2022. - xiv, 65 p. :ill., digital ;24 cm. - BestMasters,2625-3615. - BestMasters..
Introduction -- Related Work -- Theory -- Methodology -- Results -- Discussion & Conclusion.
In the last 25 years, an extensive body of work has developed various equation of state independent - or (approximately) universal - relations that allow for the inference of neutron star parameters from gravitational wave observations. These works, however, have mostly been focused on singular neutron stars, while our observational efforts at the present, and in the near future, will be focused on binary neutron star (BNS) mergers. In light of these circumstances, the last five years have also given rise to more attempts at developing universal relations that relate BNS pre-merger neutron stars to stellar parameters of the post-merger object, mostly driven by numerical relativity simulations. In this thesis a first attempt at perturbatively deriving universal relations for binary neutron star mergers with long-lived neutron star remnants is presented. The author succeeds in confirming previous results relating pre-merger binary tidal deformabilities to the f-mode frequency of the post-merger object. Combining this result with recent advances of computing the f-mode frequency of fast rotating neutron stars, he also derives a combined relation that relates the pre-merger binary tidal deformability of a BNS to the effective compactness of a long-lived neutron star remnant. Finally, he also proposes a direct relation between these quantities with improved accuracy. About the author Praveen Manoharan is PhD student at Tubingen University, Institute for Theoretical Astrophysics.
ISBN: 9783658368418$q(electronic bk.)
Standard No.: 10.1007/978-3-658-36841-8doiSubjects--Topical Terms:
925506
Stellar mergers.
LC Class. No.: QB812 / .M35 2022
Dewey Class. No.: 523.8874
Universal relations for binary neutron star mergers with long-lived remnants
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