KAGRA
The Kamioka Gravitational Wave Detector (KAGRA) is an underground Japanese gravitational wave detector, the length of its two arms being 3 km. KAGRA uses cyrogenic technology, which means that the interferometer’s mirrors are cooled down to 20 Kelvin in ...
Virgo
Virgo is a gravitational wave detector that was collaboratively built by French and Italian labs and was in operation until 2011. Then, the instrument was decommissioned and adapted to achieve 10 times higher sensitivity. Advanced Virgo started operation in ...
self-force, gravitational
Gravitational self-force is introduced in black hole perturbation theory in order to describe the effect of a particle’s own gravitational field on its ...
effective-one-body-approach
The effective-one-body (EOB)-formalism is an analytical approach describing the dynamics of two coalescing black holes. It allows for the prediction of the radiation caused by such an event, which can be used in the analysis of gravitational wave signals. The ...
extreme mass ratio inspiral (EMRI)
In an extreme mass-ratio inspiral (EMRI), a relatively light object orbits around a much heavier cosmic object such as a black hole. EMRIs evolve very slowly and allow for detailed study of the strong gravity regime in the vicinity of the black hole using ...
templates
When measuring gravitational waves, researchers use so-called templates in order to separate real gravitational wave signals from background noise. For this purpose, they calculate the waveform of gravitational waves of certain different origins, such as ...
quasi-normal modes
Quasi-normal modes are a mathematical description of the energy dissipation of a perturbed black hole while it settles towards stationary configuration, which corresponds to its ringdown ...
black hole perturbation theory
Black hole perturbation theory is an approach to calculating theoretical gravitational waveforms, so-called templates. It assumes a binary system consisting of a black hole and a compact small object which is treated as point particle perturbing spactetime. ...
