RT Journal Article
T1 Graviton-photon oscillation in a cosmic background for a general theory of gravity
A1 Ruiz Cembranos, José Alberto
A1 González Ortiz, Miguel
A1 Martín Moruno, María Del Prado
AB Graviton-photon oscillation is the conversion of gravitational waves to electromagnetic waves and vice versa in the presence of a background electromagnetic field. We investigate this phenomenon in a cosmological scenario considering a background cosmic magnetic field and assuming different gravitational frameworks. We obtain the damping term that characterizes the attenuation of the conversion probability in cosmological backgrounds. This is a general feature that is present even for standard general relativity. Furthermore, we show that the effects of decoherence, which are due to the interaction with the cosmological expansion and with the additional degrees of freedom of alternative theories of gravity, can be relevant to the phenomenon of graviton-photon mixing.
PB American Physical Society
SN 2470-0010
YR 2023
FD 2023-11-01
LK https://hdl.handle.net/20.500.14352/111865
UL https://hdl.handle.net/20.500.14352/111865
LA eng
NO Cembranos, J. A. R., González Ortiz, M. & Martín-Moruno, P. (2023). Graviton-photon oscillation in a cosmic background for a general theory of gravity. Physical Review D 108, 104001. https://link.aps.org/doi/10.1103/PhysRevD.108.104001 (Accessed November 29, 2024).
NO Actions Cosmic WISPers CA21106 and Cosmo Verse CA2136
NO Ministerio de Ciencia e Innovación (España)
NO Agencia Estatal de Investigación (España)
NO European Commission
NO Agence Nationale de la Recherche (France)
NO Université Paris Saclay
DS Docta Complutense
RD 8 abr 2025