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Journal Article

Gravitational wave science with laser interferometers and pulsar timing


Sesana,  Alberto
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Sesana, A. (2013). Gravitational wave science with laser interferometers and pulsar timing. Brazilian Journal of Physics, 43(5-6), 314-319. doi:10.1007/s13538-013-0138-x.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0014-F6F0-4
Within this decade gravitational wave detection will open a new observational window on the Universe. Advanced ground based interferometers covering the kHz frequency range will be online by 2016, and it is foreseeable the announcement of a first detection within five years. At the same time, a worldwide effort of detecting low frequency waves (in the nHz regime) by timing ultra-precise millisecond pulsars is rapidly growing, possibly leading to a positive detection within this decade. The mHz regime, bridging these two windows, is the realm of space based interferometers, which might be launched in the late 20s. I provide here a short overview of the scientific payouts of gravitational wave astronomy, focusing the discussion on the low frequency regime (pulsar timing and space based interferometry). A detailed discussion of advanced ground based interferometer can be found in Patrick Brady's contribution to this proceedings series.