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Perturbative aspects of analogue FLRW spacetime Jellium models
Matheus E. Pereira, Hermano Velten, Francisco B. Lustosa +1
We study electro-acoustic perturbative modes in homogeneous, isotropic and expanding -- dubbed as Friedmann-Lemaitre-Robertson-Walker (FLRW) -- Jellium models, thereby mimicking de…
A note on Gravitational radiation in generalized Brans-Dicke theory: compact binary systems
Diego S. Jesus, Hermano Velten, Júnior D. Toniato
This note revisits and corrects a previous analysis on gravitational radiation in compact binary systems within the framework of Brans-Dicke-f(R) theories-models featuring both mas…
Anisotropic quantum polytropes
Hermano Velten, Felipe S. Escórcio, Nadson J. S. Trindade
The structure of astrophysical objects is usually modeled under the assumption of hydrostatic equilibrium. However, actual configurations may deviate from perfect spherical or isot…
Cosmological eras with the neutrino non-relativistic transition in RTB gravity
Jonas Pinheiro da Silva, Hermano Velten
Theories based on the Ricci and the trace of the energy-momentum tensor, or the short name Ricci-trace-based (RTB) theories, represent a gravitational approach based on the Ricci s…