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gr-qc2024
The impact of initial conditions on quasi-normal modes
Ameya Chavda, Macarena Lagos, Lam Hui
This study investigates the influence of initial conditions on the evolution and properties of linear quasi-normal modes (QNMs). Using a toy model in which the quasi-normal mode ca…
gr-qc2020★ 3 cited
Kinematical and dynamical aspects of ghost-matter cosmologies
Ameya Chavda, John D. Barrow, Christos G. Tsagas
We consider the kinematical and dynamical evolution of Friedmann universes with a mixture of non-interacting matter and a ghost-like field, in a scenario analogous to that advocate…