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gr-qc2026
Lessons from binary dynamics of inspiralling equal-mass boson-star mergers
Tamara Evstafyeva, Antonia Seifert, Ulrich Sperhake +2
We explore the gravitational-wave phenomenology of equal-mass inspiralling boson-star binaries using numerical relativity simulations. In particular, we characterise the waveform d…
gr-qc2025
On the Evidence for Violation of the Equivalence Principle in Disk Galaxies
Corey Sargent, William Clark, Antonia Seifert +5
We examine the claimed observations of a gravitational external field effect (EFE) reported in Chae et al. We show that observations suggestive of the EFE can be interpreted withou…
gr-qc2024
On Coordinate Frames in Axisymmetric Static Vacuum Spacetimes and Implications for Observations
Antonia Seifert
While a physical theory should be independent of the coordinate frame chosen by any observer, the observations themselves in fact depend on the choice of coordinates. In particular…