3 citations · 3 across the 1 of their papers we have counts for
2 papers
gr-qc2023★ 3 cited
What makes a shear-free spherical perfect fluid be inhomogeneous with tidal effects?
Jonathan Hakata, Rituparno Goswami, Chevarra Hansraj +1
This is an important and natural question as the spacetime shear, inhomogeneity and tidal effects are all intertwined via the Einstein field equations. However, as we show in this…
gr-qc2021
Can gravitational waves halt the expansion of the universe?
Jörg Frauendiener, Jonathan Hakata, Chris Stevens
We numerically investigate the propagation of plane gravitational waves in the form of an initial boundary value problem with de Sitter initial data. The full non-linear Einstein e…