A new experiment for the gravitational waves detection
arXiv:2108.05208 · doi:10.1139/cjp-2021-0077
Abstract
A new experiment for the gravitational waves (GWs) detection is proposed. It is indeed shown that the effect of GWs on sound waves (SWs) in a fluid is that GWs vary the pressure of the fluid by crossing it. This variation can be found by analysing the gauge of the local observer. It is shown that one can, in principle, detect GWs through the proposed new experiment. The variation of the pressure of the fluid, which represents detected signals, are indeed much higher than the correspondent values of GWs amplitudes. The examples of rotating neutron stars (NSs) and relic GWs are discussed. Remarkably, a confrontation of the proposed new method with a previous paper of Singh et al. on a similar approach shows a possible improvement of the sensitivity concerning the potential detection of GWs. It must be emphasized that this proposed procedure may be difficult in practical experiments because of the presence of different types of noise. For this reason, a Section of the paper is dedicated to the discussion of such noises. On the other hand, this paper must be considered as being pioneering in the new proposed approach. Thus, we hope in future, more precise studies of the noise which concerns the proposed new experiment will be done.
arXiv comment20 pages, 3 figures, accepted for publication in Canadian Journal of Physics
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