An upper bound from helioseismology on the stochastic background of 
gravitational waves

Siegel, Daniel M.; Roth, Markus

doi:10.1088/0004-637X/784/2/88

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An upper bound from helioseismology on the stochastic background of gravitational waves

MPG-Autoren

Siegel, Daniel M.
AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Siegel, D. M., & Roth, M. (2014). An upper bound from helioseismology on the stochastic background of gravitational waves. Astrophysical Journal, 784: 88. doi:10.1088/0004-637X/784/2/88.

Zitierlink: https://hdl.handle.net/11858/00-001M-0000-001A-2312-C

Zusammenfassung

The universe is expected to be permeated by a stochastic background of gravitational radiation of astrophysical and cosmological origin. This background is capable of exciting oscillations in solar-like stars. Here we show that solar-like oscillators can be employed as giant hydrodynamical detectors for such a background in the muHz to mHz frequency range, which has remained essentially unexplored until today. We demonstrate this approach by using high-precision radial velocity data for the Sun to constrain the normalized energy density of the stochastic gravitational-wave background around 0.11 mHz. These results open up the possibility for asteroseismic missions like CoRoT and Kepler to probe fundamental physics.