10 citations · 15 across the 12 of their papers we have counts for
5 papers · 1 filter
Parameter Constraints on Gravity from Exotic Compact Objects
S. Wilhelmina, B. N. Jayawiguna, A. Sulaksono
According to General Relativity (GR), gravity is described as the curvature of spacetime caused by mass and energy. Although GR has been highly successful in describing gravitation…
Axial Perturbations of Extended Tolman III in the New Theory
B. N. Jayawiguna, G. A. Sabian, H. S. Ramadhan +1
We investigate compact objects using the extended Tolman III equation of state in the framework of gravity. In the matter sector of the Lagrangian density, we employ…
Non-extensive entropy signatures in compact star
B. N. Jayawiguna, M. H. Al Ghifari, A. Rohim +1
The non-extensive entropy models applied to the black-hole horizon are connected to the generalized Einstein--Hilbert action, , via the Wald entropy formalism. We demonstrate…
New Universal Relations for Magnetized Neutron Stars
Byon N. Jayawiguna, Siddarth Ajith, Takuya Katagiri +2
Unlike the neutron-star mass--radius relation, which depends sensitively on the internal stellar structure through the equation of state of dense nuclear matter, certain neutron-st…
Ambiguity in matter sector for modified gravity involving and its implications to astrophysics and cosmology
B. N. Jayawiguna, A. Sulaksono
Matter density () and radial pressure () are often used as the matter Lagrangian density () because both are thermodynamically consistent and produce the sam…