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Compact star pulsations, gravitational waves, and the equation of state of dense matter

Grant number: 16/08412-4
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): August 01, 2016
Effective date (End): December 31, 2017
Field of knowledge:Physical Sciences and Mathematics - Astronomy - Stellar Astrophysics
Principal Investigator:Germán Lugones
Grantee:Lucas Tonetto Coimbra
Host Institution: Centro de Ciências Naturais e Humanas (CCNH). Universidade Federal do ABC (UFABC). Ministério da Educação (Brasil). Santo André , SP, Brazil


We propose a multidisciplinary project where the student should investigate the non-radial oscillations of neutron stars. For this, the student must first conduct introductory studies on gravitational waves, the theory of stellar oscillations, and numerical methods of integration of differential equations. After this first phase, the student should develop a computer code to solve the oscillation equations in the Cowling approximation, use the code for finding the fundamental and the pressure modes for different equations of state of matter, and finally analyses and interpret the results. Such investigations have attracted increasing attention from the scientific community because they can relate astrophysical observations with microphysical aspects of matter at very high densities.

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