7 papers
Examining the influence of anisotropy on the fundamental mode of nonradial oscillation in neutron stars on a complete general relativistic scheme
José D. V. Arbañil, Gabriel O. Cavalheiro, Victor B. T. Alves +3
The anisotropic influence on the -mode frequency of oscillations and dimensionless tidal deformability of neutron stars is analyzed by employing the nonradial oscillation equati…
Rotating strange dwarfs and their indistinguishability from white dwarfs
Edson Otoniel, José D. V. Arbañil, Geanderson A. Carvalho +1
We investigate the structure of strange dwarfs, modeled as hybrid compact stars composed of a self bound strange quark matter core surrounded by a white dwarf like crust, within a…
Dark Matter in White Dwarfs: Implications for Their Structure
SÃlvia P. Nunes, José D. V. Arbañil, Juan M. Z. Pretel +1
White Dwarfs (WDs), the final evolutionary stage of most stars, are frequently modeled considering only a dense plasma matter. However, their potential interaction with dark matter…
Effects of light-mass fermionic dark matter on the equilibrium and stability of white dwarfs
G. A. Carvalho, J. D. V. Arbañil, J. G. Coelho
White dwarfs (WDs) can be used as laboratories to test strong gravity and high-density regimes, once their equation of state is not so uncertain as the one of neutron stars. This m…
Exploring Temperature Influences on Gravitational Wave Production in Binary White Dwarfs
SÃlvia P. Nunes, José D. V. Arbañil, César H. Lenzi +1
This study investigates the conditions under which gravitational waves (GWs) are emitted during the merger of hot white dwarfs (WDs) in a binary system. Traditionally, these system…
Gravitational wave seismology of charged strange stars in the Cowling approximation: the fluid pulsation modes
José D. V. Arbañil, César H. Lenzi, Juan M. Z. Pretel +1
In this work we study, within the framework of Cowling approximation, the effect of the electric charge on the gravitational wave frequency of fluid oscillation modes of strange qu…