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gr-qc2025
Fast Radio Bursts and Electromagnetic Transition Radiation on Gravitational Shockwaves
D. V. Fursaev, E. A. Davydov, V. A. Tainov
When a gravitational shockwave hits a magnetar it creates perturbations of the magnetar magnetic field in a form of a transition radiation. We argue that this radiation can be a no…
gr-qc2024
Perturbations of classical fields by gravitational shockwaves
D. V. Fursaev, E. A. Davydov, I. G. Pirozhenko +1
Gravitational shockwaves are geometries where components of the transverse curvature have abrupt behaviour across null hypersurfaces, which are fronts of the waves. We develop a ge…
gr-qc2023
Gravitational Waves Generated by Null Cosmic Strings
D. V. Fursaev, E. A. Davydov, I. G. Pirozhenko +1
Null cosmic strings are shown to disturb gravitational fields of massive bodies and create outgoing gravitational waves (GW). Perturbations of the metric caused by a straight null…