TY  - JOUR
AU  - García-Cely, Camilo
AU  - Ringwald, Andreas
TI  - Complete Gravitational-Wave Spectrum of the Sun
JO  - Physical review letters
VL  - 135
IS  - 6
SN  - 0031-9007
CY  - College Park, Md.
PB  - APS
M1  - PUBDB-2025-03633
M1  - arXiv:2407.18297
M1  - DESY-24-111
SP  - 061001
PY  - 2025
N1  - v2: published version
AB  - The high-temperature plasma in the solar interior generates stochastic gravitational waves (GWs). Owing to its significance as the primary source of high-frequency GWs in the Solar System, we reexamine this phenomenon by highlighting some physical processes, including the contribution of macroscopic hydrodynamic fluctuations. Our analysis builds upon several studies of axion emission from the Sun, particularly in relation to the treatment of plasma effects. The resulting GW spectrum is comparable to many well-motivated early-Universe signals, yet orders of magnitude below the current sensitivities of axion helioscopes such as (Baby)IAXO.
LB  - PUB:(DE-HGF)16
DO  - DOI:10.1103/gtwg-pr41
UR  - https://bib-pubdb1.desy.de/record/636218
ER  -