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Gravitational waves in f(R,T) theories: polarization states and astrophysical sources

Grant number: 15/08476-0
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): July 01, 2015
Status:Discontinued
Field of knowledge:Physical Sciences and Mathematics - Astronomy
Cooperation agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Manuel Máximo Bastos Malheiro de Oliveira
Grantee:Pedro Henrique Ribeiro da Silva Moraes
Home Institution: Divisão de Ciências Fundamentais (IEF). Instituto Tecnológico de Aeronáutica (ITA). Ministério da Defesa (Brasil). São José dos Campos , SP, Brazil
Associated research grant:13/26258-4 - Superdense matter in the universe, AP.TEM
Associated scholarship(s):18/20689-7 - Gauss-Bonnet stars, BE.EP.PD

Abstract

Although great efforts in the study of the composition and internal structure of compact stars have been made, the absolute ground state of matter still is an open question. The analysis of matter at high densities in the universe has as one of its fronts the characterization of gravitational waves emitted by binary systems with compact objects. The objective of this work is to characterize the polarization states of gravitational waves in f(R,T) Theory, in which the gravitational part of the action depends on a generic function of R, the Ricci scalar, and T, the trace of the energy-momentum tensor. Such a characterization, apart from contributing to the study of matter at high densities, can be corroborated by experiments like Advanced LIGO, which will soon come into operation. Furthermore, still in the scope of f(R,T) Theories, we propose to obtain the Tolman-Oppenheimer-Volkoff Equations, as well as their solutions, in such a way we can identify relevant physical quantities in the study of superdense matter in the universe. (AU)

Scientific publications (25)
(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)
MORAES, P. H. R. S.; DE PAULA, W.; CORREA, R. A. C. Charged wormholes in f (R, T)-extended theory of gravity. INTERNATIONAL JOURNAL OF MODERN PHYSICS D, v. 28, n. 8 JUN 2019. Web of Science Citations: 0.
LOBATO, RONALDO V.; CARVALHO, G. A.; MARTINS, A. G.; MORAES, P. H. R. S. Energy nonconservation as a link between f(R,T) gravity and noncommutative quantum theory. EUROPEAN PHYSICAL JOURNAL PLUS, v. 134, n. 4 APR 2019. Web of Science Citations: 0.
MORAES, P. H. R. S.; CORREA, R. A. C. The Importance of Scalar Fields as Extradimensional Metric Components in Kaluza-Klein Models. ADVANCES IN ASTRONOMY, 2019. Web of Science Citations: 0.
MORAES, P. H. R. S.; SAHOO, P. K.; RIBEIRO, G.; CORREA, R. A. C. A Cosmological Scenario from the Starobinsky Model within the f(R,T) Formalism. ADVANCES IN ASTRONOMY, 2019. Web of Science Citations: 0.
SAHOO, P. K.; MORAES, P. H. R. S.; SAHOO, PARBATI; RIBEIRO, G. Phantom fluid supporting traversable wormholes in alternative gravity with extra material terms. INTERNATIONAL JOURNAL OF MODERN PHYSICS D, v. 27, n. 16 DEC 2018. Web of Science Citations: 3.
CORREA, R. A. C.; MORAES, P. H. R. S.; DE SOUZA DUTRA, A.; SANTOS, J. R. L.; DE PAULA, W. Cosmological scenarios from multiquintessence. EUROPEAN PHYSICAL JOURNAL C, v. 78, n. 11 OCT 30 2018. Web of Science Citations: 1.
SAHOO, P. K.; MORAES, P. H. R. S.; SAHOO, PARBATI; BISHI, BINAYA K. f (R, T) = f (R) plus lambda T gravity models as alternatives to cosmic acceleration. EUROPEAN PHYSICAL JOURNAL C, v. 78, n. 9 SEP 15 2018. Web of Science Citations: 0.
COUCEIRO CORREA, RAFAEL AUGUSTO; DANTAS, DAVI MONTEIRO; RIBEIRO DA SILVA MORAES, PEDRO HENRIQUE; DUTRA, ALVARO DE SOUZA; SANTOS DE ALMEIDA, CARLOS ALBERTO. Refinements of the Weyl Pure Geometrical Thick Branes From Information-Entropic Measure. Annalen der Physik, v. 530, n. 7 JUL 2018. Web of Science Citations: 1.
CHINAGLIA, M.; CRUZ, W. T.; CORREA, R. A. C.; DE PAULA, W.; MORAES, P. H. R. S. Configurational entropy as a tool to select a physical thick brane model. Physics Letters B, v. 779, p. 16-23, APR 10 2018. Web of Science Citations: 1.
MORAES, P. H. R. S.; CORREA, R. A. C.; RIBEIRO, G. Evading the non-continuity equation in the f (R, T) cosmology. EUROPEAN PHYSICAL JOURNAL C, v. 78, n. 3 MAR 7 2018. Web of Science Citations: 7.
SANTOS, J. R. L.; MORAES, P. H. R. S.; FERREIRA, D. A.; VILAR NETA, D. C. Building analytical three-field cosmological models. EUROPEAN PHYSICAL JOURNAL C, v. 78, n. 2 FEB 26 2018. Web of Science Citations: 2.
SAHOO, P. K.; MORAES, P. H. R. S.; SAHOO, PARBATI. Wormholes in R-2-gravity within the f (R, T) formalism. EUROPEAN PHYSICAL JOURNAL C, v. 78, n. 1 JAN 19 2018. Web of Science Citations: 6.
MORAES, P. H. R. S.; SAHOO, P. K. Nonexotic matter wormholes in a trace of the energy-momentum tensor squared gravity. Physical Review D, v. 97, n. 2 JAN 8 2018. Web of Science Citations: 5.
CARVALHO, G. A.; LOBATO, R. V.; MORAES, P. H. R. S.; ARBANIL, JOSE D. V.; OTONIEL, E.; MARINHO, JR., R. M.; MALHEIRO, M. Stellar equilibrium configurations of white dwarfs in the f (R, T) gravity. EUROPEAN PHYSICAL JOURNAL C, v. 77, n. 12 DEC 15 2017. Web of Science Citations: 14.
MORAES, P. H. R. S.; SAHOO, P. K. Modeling wormholes in f (R,T) gravity. Physical Review D, v. 96, n. 4 AUG 28 2017. Web of Science Citations: 20.
MORAES, P. H. R. S.; SAHOO, P. K. The simplest non-minimal matter-geometry coupling in the f (R, T) cosmology. EUROPEAN PHYSICAL JOURNAL C, v. 77, n. 7 JUL 18 2017. Web of Science Citations: 18.
MORAES, P. H. R. S.; CORREA, R. A. S.; LOBATO, R. V. Analytical general solutions for static wormholes in f (R, T) gravity. Journal of Cosmology and Astroparticle Physics, n. 7 JUL 2017. Web of Science Citations: 19.
CORREA, R. A. C.; MORAES, P. H. R. S.; DE SOUZA DUTRA, A.; DE PAULA, W.; FREDERICO, T. Configurational entropy as a constraint for Gauss-Bonnet braneworld models. Physical Review D, v. 94, n. 8 OCT 6 2016. Web of Science Citations: 4.
ALVES, M. E. S.; MORAES, P. H. R. S.; DE ARAUJO, J. C. N.; MALHEIRO, M. Gravitational waves in f(R, T) and f(R, T-phi) theories of gravity. Physical Review D, v. 94, n. 2 JUL 14 2016. Web of Science Citations: 27.
MOMENI, D.; MORAES, P. H. R. S.; MYRZAKULOV, R. Generalized second law of thermodynamics in f (R, T) theory of gravity. ASTROPHYSICS AND SPACE SCIENCE, v. 361, n. 7 JUL 2016. Web of Science Citations: 15.
MORAES, P. H. R. S.; RIBEIRO, G.; CORREA, R. A. C. A transition from a decelerated to an accelerated phase of the universe expansion from the simplest non-trivial polynomial function of T in the f (R, T) formalism. ASTROPHYSICS AND SPACE SCIENCE, v. 361, n. 7 JUL 2016. Web of Science Citations: 14.
MORAES, P. H. R. S.; ARBANIL, JOSE D. V.; MALHEIRO, M. Stellar equilibrium configurations of compact stars in f (R, T) theory of gravity. Journal of Cosmology and Astroparticle Physics, n. 6 JUN 2016. Web of Science Citations: 42.
MORAES, P. H. R. S.; CORREA, R. A. C. Braneworld cosmology in f (R, T) gravity. ASTROPHYSICS AND SPACE SCIENCE, v. 361, n. 3 MAR 2016. Web of Science Citations: 13.
MORAES, P. H. R. S.; SANTOS, J. R. L. A complete cosmological scenario from f(R, T-phi) gravity theory. EUROPEAN PHYSICAL JOURNAL C, v. 76, n. 2 FEB 4 2016. Web of Science Citations: 22.
MORAES, P. H. R. S. Cosmic acceleration from varying masses in five dimensions. INTERNATIONAL JOURNAL OF MODERN PHYSICS D, v. 25, n. 1 JAN 2016. Web of Science Citations: 3.

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