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Universal relations for neutron stars: I-Love-Q

Grant number: 19/20740-5
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): December 01, 2019
Effective date (End): August 31, 2021
Field of knowledge:Physical Sciences and Mathematics - Astronomy - Stellar Astrophysics
Principal researcher:Germán Lugones
Grantee:Victor Santos Guedes
Home Institution: Centro de Ciências Naturais e Humanas (CCNH). Universidade Federal do ABC (UFABC). Ministério da Educação (Brasil). Santo André , SP, Brazil


In this undergraduate research project the student will apply the knowledge acquired in previous studies in the analyses of the universal relations (independent of the equation of state) obtained recently for neutron stars. The I-Love-Q relation establishes the dependence between the moment of inertia, the Love number and the quadrupole moment as functions of the compactness of the star, independently of its equation of state. These relations will be tested for a generically parametrization of the equation of state, using constraints obtained from astrophysical observations. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BENITEZ, ERNESTO; WELLER, JOSEPH; GUEDES, VICTOR; CHIRENTI, CECILIA; MILLER, M. COLEMAN. Investigating the I-Love-Q and w-mode universal relations using piecewise polytropes. Physical Review D, v. 103, n. 2 JAN 6 2021. Web of Science Citations: 0.
CHIRENTI, CECILIA; POSADA, CAMILO; GUEDES, VICTOR. Where is Love? Tidal deformability in the black hole compactness limit. Classical and Quantum Gravity, v. 37, n. 19 OCT 8 2020. Web of Science Citations: 0.

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