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Some consequences of the microphysics of volumes and surfaces in compact systems

Grant number: 15/04174-9
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): June 01, 2016
Effective date (End): May 31, 2019
Field of knowledge:Physical Sciences and Mathematics - Physics
Principal Investigator:Germán Lugones
Grantee:Jonas Pedro Pereira
Home Institution: Centro de Ciências Naturais e Humanas (CCNH). Universidade Federal do ABC (UFABC). Ministério da Educação (Brasil). Santo André , SP, Brazil
Associated scholarship(s):17/21384-2 - Asteroseismology of quasi-periodic oscillations and constraints to hybrid neutron star models, BE.EP.PD


We propose a multidisciplinar post-doctoral project where some of the consequences of new microphysical aspects of stratified compact systems (of volumetric and superficial nature) in general relativity shall be investigated. From these studies several applications shall be analyzed under new perspectives, such as the description of the effects of glitches and QPOs (quasi periodic oscillations), the stability of stratified systems, their associated normal modes, etc, that can all restrict models for the innermost regions of compact systems, as well as scrutinize phase transitions that lead to surface degrees of freedom in layered systems. These investigations are relevant since they can establish bridges between asptrophysical observations and and microphysical aspects of the dense matter that have attracted more and more the attention of the scientific community.

Scientific publications (5)
(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)
DE LORENCI, V. A.; FERREIRA JUNIOR, A. L.; PEREIRA, J. P. Trirefringence in nonlinear magnetoelectric metamaterials revisited. Physical Review A, v. 99, n. 5 MAY 28 2019. Web of Science Citations: 0.
PEREIRA, JONAS P.; LUGONES, GERMAN. General Relativistic Surface Degrees of Freedom in Perturbed Hybrid Stars. ASTROPHYSICAL JOURNAL, v. 871, n. 1 JAN 20 2019. Web of Science Citations: 1.
PEREIRA, JONAS P.; FLORES, CESAR V.; LUGONES, GERMAN. Phase Transition Effects on the Dynamical Stability of Hybrid Neutron Stars. ASTROPHYSICAL JOURNAL, v. 860, n. 1 JUN 10 2018. Web of Science Citations: 8.
PEREIRA, JONAS P.; COELHO, JAZIEL G.; DE LIMA, RAFAEL C. R. Born-Infeld magnetars: larger than classical toroidal magnetic fields and implications for gravitational-wave astronomy. EUROPEAN PHYSICAL JOURNAL C, v. 78, n. 5 MAY 8 2018. Web of Science Citations: 0.
MOSQUERA CUESTA, HERMAN J.; LAMBIASE, GAETANO; PEREIRA, JONAS P. Probing nonlinear electrodynamics in slowly rotating spacetimes through neutrino astrophysics. Physical Review D, v. 95, n. 2 JAN 17 2017. Web of Science Citations: 5.

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