Pesquisa e currículo
Cosmologia.
Gravidade. Questões em aberto.
Minha pesquisa se concentra em matéria escura, energia escura, gravidade modificada, lenteamento gravitacional e evolução do Universo.
Currículo
Currículo acadêmico
Cargos acadêmicos, bolsas de pesquisa, ensino, orientações e publicações.
Perfis de pesquisa
Registros de publicações e indicadores bibliométricos.
Publicações e preprints selecionados
G. Bianchi, F. Re and O. F. Piattella, Dark Coriolis fields, European Physical Journal Plus 141, 275 (2026).
A. Ghazale and O. F. Piattella, More on the relativistic images produced in gravitational lensing, arXiv:2512.00139 (2025).
L. Giani, R. von Marttens and O. F. Piattella, The matter with(in) CPL, Open Journal of Astrophysics 8 (2025), DOI: 10.33232/001c.142699.
F. Re and O. F. Piattella, Non-Zero Coriolis Field in Ehlers Frame Theory, Galaxies 13 (2025)
L. Giani and O. F. Piattella, Induced non-local cosmology, Phys. Dark Univ. 40 (2023), 101219
P. Bessa and O. F. Piattella, Gravitational lensing in a universe with matter and a cosmological constant, Phys. Rev. D 106 (2022) no.12, 123513
L. Giani, E. Frion and O. F. Piattella, Impact of inhomogeneities on slowly rolling quintessence: implications for the local variations of the fine-structure constant, Class. Quant. Grav. 38 (2021) no.17, 175010
O. F. Piattella, Does the cosmological constant stay hidden?, Phys. Rev. D (2020) no.10, 104039
M. Wittner, G. Laverda, O. F. Piattella and L. Amendola, Transient weak gravity in scalar-tensor theories, JCAP 07 (2020), 019
O. F. Piattella, Lecture Notes in Cosmology, UNITEXT for Physics, Springer. See https://www.springer.com/gp/book/9783319955698
T. Miranda, J. C. Fabris and O. F. Piattella, Reconstructing a f(R) theory from the alpha-Attractors, JCAP1709 (2017) no.09, 041
O. F. Piattella and L. Giani, Redshift drift of gravitational lensing, Phys.Rev. D95 (2017) no.10, 101301
O. F. Piattella, Lensing in the McVittie metric, Phys. Rev. D 93 (2016) no.2, 024020, Erratum: Phys. Rev. D 93 (2016) no.12, 129901
J. c. Hwang, H. Noh, J. Fabris, O. F. Piattella and W. Zimdahl, Newtonian hydrodynamic equations with relativistic pressure and velocity, JCAP1607 (2016) no.07, 046
D. Wands, O. F. Piattella and L. Casarini, Physics of the Cosmic Microwave Background Radiation, Astrophys. Space Sci. Proc. 45 (2016) 3
O. F. Piattella, J. C. Fabris and N. Bilić, Note on the thermodynamics and the speed of sound of a scalar field, Class. Quant. Grav. 31 (2014) 055006
O. F. Piattella, D. C. Rodrigues, J. C. Fabris and J. A. de Freitas Pacheco, Evolution of the phase-space density and the Jeans scale for dark matter derived from the Vlasov-Einstein equation, JCAP 1311 (2013) 002
A. A. Grib, Y. V. Pavlov, and O. F. Piattella, High energy processes in the vicinity of the Kerr's black hole horizon, Int. J. Mod. Phys. A 26 (2011) 3856
O. F. Piattella, J. C. Fabris and W. Zimdahl, Bulk viscous cosmology with causal transport theory, JCAP 1105 (2011) 029
O. F. Piattella, D. Bertacca, M. Bruni and D. Pietrobon, Unified Dark Matter models with fast transition, JCAP 1001 (2010) 014
O. F. Piattella, The extreme limit of the generalized Chaplygin gas, JCAP 1003 (2010) 012
V. Gorini, A. Y. Kamenshchik, U. Moschella, O. F. Piattella and A. A. Starobinsky, Gauge-invariant analysis of perturbations in Chaplygin gas unified models of dark matter and dark energy, JCAP 0802 (2008) 016
Listas de publicações e documentos
Minha tese de doutorado foi publicada pela LAP Lambert Academic Publishing, ISBN 978-3-8443-8842-8.