2 papers
gr-qc2026
Graviton Floor
Himeka Matsuo, Asuka Ito, Kazunori Kohri +2
It has been observed that the Universe is permeated by the cosmic photon background, ranging from radio waves to gamma rays. We investigate the conversion of the photon background…
gr-qc2025
Gertsenshtein effect on the spacetime curved by background magnetic field with geometric optics
Ryutaro Tomomatsu, Teruaki Suyama, Paolo Gondolo
When electromagnetic (or gravitational) waves propagate in the presence of a background magnetic field, a portion of the waves converts into gravitational (or electromagnetic) wave…